diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index dd3cdc6..f3428ba 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -310,7 +310,7 @@ jobs:
     - uses: actions/checkout@v3
     - uses: actions/setup-python@v4
       with:
-        python-version: 3.x
+        python-version: 3.9
     - name: GDFormat Check
       run: |
         python -m pip install -r requirements.txt
diff --git a/misc/hooks/pre-commit-gdformat b/misc/hooks/pre-commit-gdformat
index b509626..280b93c 100755
--- a/misc/hooks/pre-commit-gdformat
+++ b/misc/hooks/pre-commit-gdformat
@@ -6,7 +6,7 @@
 
 set -e 
 
-GDTOOLKIT_VERSION=c514a022f7e566f06a0c68058727737fe0d8b33c
+GDTOOLKIT_VERSION=3.5.0
 
 FILES=$(git diff --cached --name-only --diff-filter=ACMR | grep '\.gd$' | grep -v '^addons/gd-plug' | grep -v '^addons/gut' | sed 's| |\\ |g')
 echo $FILES
diff --git a/requirements.txt b/requirements.txt
index 59e5f66..a733b06 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,9 +1 @@
-colorama==0.4.5
-docopt==0.6.2
-future==0.18.2
-gdtoolkit==3.4.0
-lark-parser==0.8.0
-mando==0.6.4
-PyYAML==6.0
-radon==5.1.0
-six==1.16.0
+gdtoolkit==3.5.0