diff --git a/Pipfile b/Pipfile
index 23a332c..449b10f 100644
--- a/Pipfile
+++ b/Pipfile
@@ -5,7 +5,7 @@ name = "pypi"
 
 [dev-packages]
 setuptools = "==80.9.0"
-sourcery = "==1.40.0"
+sourcery = "==1.43.0"
 build = "==1.4.0"
 cookieslicer = "==0.1.5"
 coverage = "==7.13.1"
diff --git a/Pipfile.lock b/Pipfile.lock
index ecdd369..6fb1c7e 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "1e9ccc77142560239adaaa6606460ffb7ad91727fdd261b693c1a4dcc002bed1"
+            "sha256": "c5726aa3071b2a68ee2f37cbef66fba5a4cd7aa1d334394c9cd0d638ffee8f1e"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -1447,12 +1447,13 @@
         },
         "sourcery": {
             "hashes": [
-                "sha256:19116cc91aed5db2badca22cd2d745b8e2151bf22bac037d4b00aa2edd52217c",
-                "sha256:4b14cad029f259cf46e2f069ef35d5d2701886a13fdb6f64edbe8672e4b21cca",
-                "sha256:7a45fd88840cd167747519984213091912fe3782bc167af0c2de1c78d3d9672d"
+                "sha256:2bd293af561261ffc0bccff82c9f764cd654247aaa29a0b46d4927e4711b0570",
+                "sha256:6279f505406b9b3455dac2f9646c0e110fdc72857479dc05b788a2cfd28dfa4f",
+                "sha256:89034e4a800294093614c8c01317e0b051c35d2e7abf089e78f1830984516e04",
+                "sha256:a142fb1156dfc205752b546fd24cd6e6bd405ebd7aec1097c339ed0e05724dcd"
             ],
             "index": "pypi",
-            "version": "==1.40.0"
+            "version": "==1.43.0"
         },
         "text-unidecode": {
             "hashes": [
diff --git a/install-requirements.txt b/install-requirements.txt
index 012fd71..0e2c9a5 100644
--- a/install-requirements.txt
+++ b/install-requirements.txt
@@ -1,4 +1,5 @@
-typing-extensions>=4.5.0
-tomli>=2.0.1
-pyyaml>=5.4.1
-pyjson5>=1.6.9
+-i https://pypi.org/simple
+pyjson5==2.0.0; python_version ~= '3.8'
+pyyaml==6.0.3; python_version >= '3.8'
+tomli==2.4.0; python_version >= '3.8'
+typing-extensions==4.15.0; python_version >= '3.9'