diff --git a/py/Pipfile.lock b/py/Pipfile.lock
index 41fd819e..e65fc6bb 100644
--- a/py/Pipfile.lock
+++ b/py/Pipfile.lock
@@ -32,11 +32,11 @@
         },
         "attrs": {
             "hashes": [
-                "sha256:149e90d6d8ac20db7a955ad60cf0e6881a3f20d37096140088356da6c716b0b1",
-                "sha256:ef6aaac3ca6cd92904cdd0d83f629a15f18053ec84e6432106f7a4d04ae4f5fb"
+                "sha256:2d27e3784d7a565d36ab851fe94887c5eccd6a463168875832a1be79c82828b4",
+                "sha256:626ba8234211db98e869df76230a137c4c40a12d72445c45d5f5b716f076e2fd"
             ],
             "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
-            "version": "==21.2.0"
+            "version": "==21.4.0"
         },
         "iniconfig": {
             "hashes": [
@@ -47,11 +47,11 @@
         },
         "packaging": {
             "hashes": [
-                "sha256:7dc96269f53a4ccec5c0670940a4281106dd0bb343f47b7471f779df49c2fbe7",
-                "sha256:c86254f9220d55e31cc94d69bade760f0847da8000def4dfe1c6b872fd14ff14"
+                "sha256:dd47c42927d89ab911e606518907cc2d3a1f38bbd026385970643f9c5b8ecfeb",
+                "sha256:ef103e05f519cdc783ae24ea4e2e0f508a9c99b2d4969652eed6a2e1ea5bd522"
             ],
             "markers": "python_version >= '3.6'",
-            "version": "==21.0"
+            "version": "==21.3"
         },
         "pluggy": {
             "hashes": [
@@ -63,11 +63,11 @@
         },
         "py": {
             "hashes": [
-                "sha256:21b81bda15b66ef5e1a777a21c4dcd9c20ad3efd0b3f817e7a809035269e1bd3",
-                "sha256:3b80836aa6d1feeaa108e046da6423ab8f6ceda6468545ae8d02d9d58d18818a"
+                "sha256:51c75c4126074b472f746a24399ad32f6053d1b34b68d2fa41e558e6f4a98719",
+                "sha256:607c53218732647dff4acdfcd50cb62615cedf612e72d1724fb1a0cc6405b378"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
-            "version": "==1.10.0"
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
+            "version": "==1.11.0"
         },
         "py-cpuinfo": {
             "hashes": [
@@ -77,10 +77,10 @@
         },
         "pygal": {
             "hashes": [
-                "sha256:27abab93cbc31e21f3c6bdecc05bda6cd3570cbdbd8297b7caa6904051b50d72",
-                "sha256:9204f05380b02a8a32f9bf99d310b51aa2a932cba5b369f7a4dc3705f0a4ce83"
+                "sha256:2923f95d2e515930aa5a997219dccefbf3d92b7eaf5fc1c9febb95b09935fdb2",
+                "sha256:9ae06e32dec1422f9cd0d606fe2728f78e0b5d644551137480d8d5806e2426f0"
             ],
-            "version": "==2.4.0"
+            "version": "==3.0.0"
         },
         "pygaljs": {
             "hashes": [
@@ -91,19 +91,19 @@
         },
         "pyparsing": {
             "hashes": [
-                "sha256:c203ec8783bf771a155b207279b9bccb8dea02d8f0c9e5f8ead507bc3246ecc1",
-                "sha256:ef9d7589ef3c200abe66653d3f1ab1033c3c419ae9b9bdb1240a85b024efc88b"
+                "sha256:18ee9022775d270c55187733956460083db60b37d0d0fb357445f3094eed3eea",
+                "sha256:a6c06a88f252e6c322f65faf8f418b16213b51bdfaece0524c1c1bc30c63c484"
             ],
-            "markers": "python_version >= '2.6' and python_version not in '3.0, 3.1, 3.2, 3.3'",
-            "version": "==2.4.7"
+            "markers": "python_version >= '3.6'",
+            "version": "==3.0.7"
         },
         "pytest": {
             "hashes": [
-                "sha256:131b36680866a76e6781d13f101efb86cf674ebb9762eb70d3082b6f29889e89",
-                "sha256:7310f8d27bc79ced999e760ca304d69f6ba6c6649c0b60fb0e04a4a77cacc134"
+                "sha256:841132caef6b1ad17a9afde46dc4f6cfa59a05f9555aae5151f73bdf2820ca63",
+                "sha256:92f723789a8fdd7180b6b06483874feca4c48a5c76968e03bb3e7f806a1869ea"
             ],
             "index": "pypi",
-            "version": "==6.2.5"
+            "version": "==7.1.1"
         },
         "pytest-benchmark": {
             "extras": [
@@ -120,13 +120,13 @@
             "editable": true,
             "path": "."
         },
-        "toml": {
+        "tomli": {
             "hashes": [
-                "sha256:806143ae5bfb6a3c6e736a764057db0e6a0e05e338b5630894a5f779cabb4f9b",
-                "sha256:b3bda1d108d5dd99f4a20d24d9c348e91c4db7ab1b749200bded2f839ccbe68f"
+                "sha256:939de3e7a6161af0c887ef91b7d41a53e7c5a1ca976325f429cb46ea9bc30ecc",
+                "sha256:de526c12914f0c550d15924c62d72abc48d6fe7364aa87328337a31007fe8a4f"
             ],
-            "markers": "python_version >= '2.6' and python_version not in '3.0, 3.1, 3.2, 3.3'",
-            "version": "==0.10.2"
+            "markers": "python_version >= '3.7'",
+            "version": "==2.0.1"
         }
     }
 }