diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000000..1e93c7b1d6
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,7 @@
+version: 2
+updates:
+- package-ecosystem: cargo
+  directory: "/"
+  schedule:
+    interval: daily
+    time: "20:00"
diff --git a/Cargo.lock b/Cargo.lock
index 9eee244e9a..f362bc87ad 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -183,12 +183,6 @@ dependencies = [
  "serde",
 ]
 
-[[package]]
-name = "build_const"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4ae4235e6dac0694637c763029ecea1a2ec9e4e06ec2729bd21ba4d9c863eb7"
-
 [[package]]
 name = "bumpalo"
 version = "3.7.0"
@@ -454,13 +448,19 @@ dependencies = [
 
 [[package]]
 name = "crc"
-version = "1.8.1"
+version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d663548de7f5cca343f1e0a48d14dcfb0e9eb4e079ec58883b7251539fa10aeb"
+checksum = "10c2722795460108a7872e1cd933a85d6ec38abc4baecad51028f702da28889f"
 dependencies = [
- "build_const",
+ "crc-catalog",
 ]
 
+[[package]]
+name = "crc-catalog"
+version = "1.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ccaeedb56da03b09f598226e25e80088cb4cd25f316e6e4df7d695f0feeb1403"
+
 [[package]]
 name = "crc32fast"
 version = "1.2.1"
@@ -783,9 +783,9 @@ dependencies = [
 
 [[package]]
 name = "flate2"
-version = "1.0.20"
+version = "1.0.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cd3aec53de10fe96d7d8c565eb17f2c687bb5518a2ec453b5b1252964526abe0"
+checksum = "1e6988e897c1c9c485f43b47a529cef42fde0547f9d8d41a7062518f1d8fc53f"
 dependencies = [
  "cfg-if 1.0.0",
  "crc32fast",
@@ -806,7 +806,7 @@ version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f6f339eb8adc052cd2ca78910fda869aefa38d22d5cb648e6485e4d3fc06f3b1"
 dependencies = [
- "foreign-types-shared",
+ "foreign-types-shared 0.1.1",
 ]
 
 [[package]]
@@ -815,6 +815,12 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "00b0228411908ca8685dba7fc2cdd70ec9990a6e753e89b6ac91a84c40fbaf4b"
 
+[[package]]
+name = "foreign-types-shared"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7684cf33bb7f28497939e8c7cf17e3e4e3b8d9a0080ffa4f8ae2f515442ee855"
+
 [[package]]
 name = "gcc"
 version = "0.3.55"
@@ -963,9 +969,9 @@ checksum = "dd25036021b0de88a0aff6b850051563c6516d0bf53f8638938edbb9de732736"
 
 [[package]]
 name = "js-sys"
-version = "0.3.52"
+version = "0.3.55"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ce791b7ca6638aae45be056e068fc756d871eb3b3b10b8efa62d1c9cec616752"
+checksum = "7cc9ffccd38c451a86bf13657df244e9c3f37493cce8e5e21e940963777acc84"
 dependencies = [
  "wasm-bindgen",
 ]
@@ -1897,7 +1903,7 @@ dependencies = [
  "digest",
  "dns-lookup",
  "flate2",
- "foreign-types-shared",
+ "foreign-types-shared 0.3.0",
  "gethostname",
  "hex",
  "itertools",
@@ -2105,9 +2111,9 @@ checksum = "568a8e6258aa33c13358f81fd834adb854c6f7c9468520910a9b1e8fac068012"
 
 [[package]]
 name = "serde"
-version = "1.0.127"
+version = "1.0.130"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f03b9878abf6d14e6779d3f24f07b2cfa90352cfec4acc5aab8f1ac7f146fae8"
+checksum = "f12d06de37cf59146fbdecab66aa99f9fe4f78722e3607577a5375d66bd0c913"
 dependencies = [
  "serde_derive",
 ]
@@ -2136,9 +2142,9 @@ dependencies = [
 
 [[package]]
 name = "serde_derive"
-version = "1.0.127"
+version = "1.0.130"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a024926d3432516606328597e0f224a51355a493b49fdd67e9209187cbe55ecc"
+checksum = "d7bc1a1ab1961464eae040d96713baa5a724a8152c1222492465b54322ec508b"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2232,9 +2238,9 @@ checksum = "f67ad224767faa3c7d8b6d91985b78e70a1324408abcb1cfcc2be4c06bc06043"
 
 [[package]]
 name = "socket2"
-version = "0.4.1"
+version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "765f090f0e423d2b55843402a07915add955e7d60657db13707a159727326cad"
+checksum = "5dc90fe6c7be1a323296982db1836d1ea9e47b6839496dde9a541bc496df3516"
 dependencies = [
  "libc",
  "winapi",
@@ -2734,9 +2740,9 @@ checksum = "1a143597ca7c7793eff794def352d41792a93c481eb1042423ff7ff72ba2c31f"
 
 [[package]]
 name = "wasm-bindgen"
-version = "0.2.75"
+version = "0.2.78"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b608ecc8f4198fe8680e2ed18eccab5f0cd4caaf3d83516fa5fb2e927fda2586"
+checksum = "632f73e236b219150ea279196e54e610f5dbafa5d61786303d4da54f84e47fce"
 dependencies = [
  "cfg-if 1.0.0",
  "wasm-bindgen-macro",
@@ -2744,9 +2750,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-backend"
-version = "0.2.75"
+version = "0.2.78"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "580aa3a91a63d23aac5b6b267e2d13cb4f363e31dce6c352fca4752ae12e479f"
+checksum = "a317bf8f9fba2476b4b2c85ef4c4af8ff39c3c7f0cdfeed4f82c34a880aa837b"
 dependencies = [
  "bumpalo",
  "lazy_static 1.4.0",
@@ -2771,9 +2777,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro"
-version = "0.2.75"
+version = "0.2.78"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "171ebf0ed9e1458810dfcb31f2e766ad6b3a89dbda42d8901f2b268277e5f09c"
+checksum = "d56146e7c495528bf6587663bea13a8eb588d39b36b679d83972e1a2dbbdacf9"
 dependencies = [
  "quote",
  "wasm-bindgen-macro-support",
@@ -2781,9 +2787,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro-support"
-version = "0.2.75"
+version = "0.2.78"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6c2657dd393f03aa2a659c25c6ae18a13a4048cebd220e147933ea837efc589f"
+checksum = "7803e0eea25835f8abdc585cd3021b3deb11543c6fe226dcd30b228857c5c5ab"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2794,15 +2800,15 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-shared"
-version = "0.2.75"
+version = "0.2.78"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2e0c4a743a309662d45f4ede961d7afa4ba4131a59a639f29b0069c3798bbcc2"
+checksum = "0237232789cf037d5480773fe568aac745bfe2afbc11a863e97901780a6b47cc"
 
 [[package]]
 name = "web-sys"
-version = "0.3.52"
+version = "0.3.55"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "01c70a82d842c9979078c772d4a1344685045f1a5628f677c2b2eab4dd7d2696"
+checksum = "38eb105f1c59d9eaa6b5cdc92b859d85b926e82cb2e0945cd0c9259faa6fe9fb"
 dependencies = [
  "js-sys",
  "wasm-bindgen",
diff --git a/stdlib/Cargo.toml b/stdlib/Cargo.toml
index a4c09627f1..9d0d48c1b9 100644
--- a/stdlib/Cargo.toml
+++ b/stdlib/Cargo.toml
@@ -40,7 +40,7 @@ unic-ucd-ident     = "0.9"
 # compression
 adler32 = "1.0.3"
 crc32fast = "1.2.0"
-flate2 = "1.0.20"
+flate2 = "1.0.22"
 
 num-complex = "0.4.0"
 num-bigint = "0.4.2"
@@ -50,7 +50,7 @@ crossbeam-utils = "0.8.5"
 itertools = "0.10.1"
 lexical-core = "0.7"
 num-traits = "0.2.14"
-crc = "^1.0.0"
+crc = "^2.0.0"
 memchr = "2"
 base64 = "0.13"
 csv-core = "0.1"
@@ -86,12 +86,12 @@ ssl-vendor = ["ssl", "openssl/vendored", "openssl-probe"]
 
 [target.'cfg(not(target_arch = "wasm32"))'.dependencies]
 gethostname = "0.2.0"
-socket2 = { version = "0.4.0", features = ["all"] }
+socket2 = { version = "0.4.2", features = ["all"] }
 dns-lookup = "1.0"
 openssl = { version = "0.10.32", optional = true }
 openssl-sys = { version = "0.9", optional = true }
 openssl-probe = { version = "0.1", optional = true }
-foreign-types-shared = { version = "0.1", optional = true }
+foreign-types-shared = { version = "0.3", optional = true }
 
 [target.'cfg(windows)'.dependencies]
 schannel = "0.1"
diff --git a/vm/Cargo.toml b/vm/Cargo.toml
index e778579693..c3c9919eda 100644
--- a/vm/Cargo.toml
+++ b/vm/Cargo.toml
@@ -39,7 +39,7 @@ rustpython-pylib = { path = "pylib-crate", optional = true, version = "0.1.0" }
 rand = "0.8"
 getrandom = { version = "0.2", features = ["js"] }
 log = "0.4"
-serde = { version = "1.0.66", features = ["derive"] }
+serde = { version = "1.0.130", features = ["derive"] }
 caseless = "0.2.1"
 chrono = { version = "0.4", features = ["wasmbind"] }
 lexical-core = "0.7"
@@ -68,7 +68,7 @@ half = "1.6"
 memchr = "2"
 crc32fast = "1.2.0"
 adler32 = "1.0.3"
-flate2 = "1.0.20"
+flate2 = "1.0.22"
 once_cell = "1"
 
 # RustPython crates implementing functionality based on CPython
diff --git a/wasm/tests/Pipfile b/wasm/tests/Pipfile
index 547282c585..587e46f599 100644
--- a/wasm/tests/Pipfile
+++ b/wasm/tests/Pipfile
@@ -6,6 +6,7 @@ name = "pypi"
 [packages]
 pytest = "*"
 selenium = "*"
+urllib3 = "*"
 
 [dev-packages]
 
diff --git a/wasm/tests/Pipfile.lock b/wasm/tests/Pipfile.lock
index 0ea8e02426..7e29af9dc0 100644
--- a/wasm/tests/Pipfile.lock
+++ b/wasm/tests/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "e7ebbd25509f50c886b2e9773e88b011af0cbc4bfcfebb386024be80d2c3aa49"
+            "sha256": "bbfbd4e7b1d70587b7cadebd823c647d7229bcf036e639a07748774bc651fb13"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -16,50 +16,60 @@
         ]
     },
     "default": {
-        "atomicwrites": {
+        "attrs": {
             "hashes": [
-                "sha256:6d1784dea7c0c8d4a5172b6c620f40b6e4cbfdf96d783691f2e1302a7b88e197",
-                "sha256:ae70396ad1a434f9c7046fd2dd196fc04b12f9e91ffb859164193be8b6168a7a"
+                "sha256:149e90d6d8ac20db7a955ad60cf0e6881a3f20d37096140088356da6c716b0b1",
+                "sha256:ef6aaac3ca6cd92904cdd0d83f629a15f18053ec84e6432106f7a4d04ae4f5fb"
             ],
-            "version": "==1.4.0"
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
+            "version": "==21.2.0"
         },
-        "attrs": {
+        "iniconfig": {
             "hashes": [
-                "sha256:31b2eced602aa8423c2aea9c76a724617ed67cf9513173fd3a4f03e3a929c7e6",
-                "sha256:832aa3cde19744e49938b91fea06d69ecb9e649c93ba974535d08ad92164f700"
+                "sha256:011e24c64b7f47f6ebd835bb12a743f2fbe9a26d4cecaa7f53bc4f35ee9da8b3",
+                "sha256:bc3af051d7d14b2ee5ef9969666def0cd1a000e121eaea580d4a313df4b37f32"
             ],
-            "version": "==20.3.0"
+            "version": "==1.1.1"
         },
-        "more-itertools": {
+        "packaging": {
             "hashes": [
-                "sha256:5652a9ac72209ed7df8d9c15daf4e1aa0e3d2ccd3c87f8265a0673cd9cbc9ced",
-                "sha256:c5d6da9ca3ff65220c3bfd2a8db06d698f05d4d2b9be57e1deb2be5a45019713"
+                "sha256:7dc96269f53a4ccec5c0670940a4281106dd0bb343f47b7471f779df49c2fbe7",
+                "sha256:c86254f9220d55e31cc94d69bade760f0847da8000def4dfe1c6b872fd14ff14"
             ],
-            "markers": "python_version > '2.7'",
-            "version": "==8.7.0"
+            "markers": "python_version >= '3.6'",
+            "version": "==21.0"
         },
         "pluggy": {
             "hashes": [
-                "sha256:15b2acde666561e1298d71b523007ed7364de07029219b604cf808bfa1c765b0",
-                "sha256:966c145cd83c96502c3c3868f50408687b38434af77734af1e9ca461a4081d2d"
+                "sha256:4224373bacce55f955a878bf9cfa763c1e360858e330072059e10bad68531159",
+                "sha256:74134bbf457f031a36d68416e1509f34bd5ccc019f0bcc952c7b909d06b37bd3"
             ],
-            "version": "==0.13.1"
+            "markers": "python_version >= '3.6'",
+            "version": "==1.0.0"
         },
         "py": {
             "hashes": [
                 "sha256:21b81bda15b66ef5e1a777a21c4dcd9c20ad3efd0b3f817e7a809035269e1bd3",
                 "sha256:3b80836aa6d1feeaa108e046da6423ab8f6ceda6468545ae8d02d9d58d18818a"
             ],
-            "index": "pypi",
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==1.10.0"
         },
+        "pyparsing": {
+            "hashes": [
+                "sha256:c203ec8783bf771a155b207279b9bccb8dea02d8f0c9e5f8ead507bc3246ecc1",
+                "sha256:ef9d7589ef3c200abe66653d3f1ab1033c3c419ae9b9bdb1240a85b024efc88b"
+            ],
+            "markers": "python_version >= '2.6' and python_version not in '3.0, 3.1, 3.2, 3.3'",
+            "version": "==2.4.7"
+        },
         "pytest": {
             "hashes": [
-                "sha256:3773f4c235918987d51daf1db66d51c99fac654c81d6f2f709a046ab446d5e5d",
-                "sha256:b7802283b70ca24d7119b32915efa7c409982f59913c1a6c0640aacf118b95f5"
+                "sha256:131b36680866a76e6781d13f101efb86cf674ebb9762eb70d3082b6f29889e89",
+                "sha256:7310f8d27bc79ced999e760ca304d69f6ba6c6649c0b60fb0e04a4a77cacc134"
             ],
             "index": "pypi",
-            "version": "==4.4.1"
+            "version": "==6.2.5"
         },
         "selenium": {
             "hashes": [
@@ -69,19 +79,21 @@
             "index": "pypi",
             "version": "==3.141.0"
         },
-        "six": {
+        "toml": {
             "hashes": [
-                "sha256:30639c035cdb23534cd4aa2dd52c3bf48f06e5f4a941509c8bafd8ce11080259",
-                "sha256:8b74bedcbbbaca38ff6d7491d76f2b06b3592611af620f8426e82dddb04a5ced"
+                "sha256:806143ae5bfb6a3c6e736a764057db0e6a0e05e338b5630894a5f779cabb4f9b",
+                "sha256:b3bda1d108d5dd99f4a20d24d9c348e91c4db7ab1b749200bded2f839ccbe68f"
             ],
-            "version": "==1.15.0"
+            "markers": "python_version >= '2.6' and python_version not in '3.0, 3.1, 3.2, 3.3'",
+            "version": "==0.10.2"
         },
         "urllib3": {
             "hashes": [
-                "sha256:2f4da4594db7e1e110a944bb1b551fdf4e6c136ad42e4234131391e21eb5b0df",
-                "sha256:e7b021f7241115872f92f43c6508082facffbd1c048e3c6e2bb9c2a157e28937"
+                "sha256:4987c65554f7a2dbf30c18fd48778ef124af6fab771a377103da0585e2336ece",
+                "sha256:c4fdf4019605b6e5423637e01bc9fe4daef873709a7973e195ceba0a62bbc844"
             ],
-            "version": "==1.26.4"
+            "index": "pypi",
+            "version": "==1.26.7"
         }
     },
     "develop": {}