diff --git a/.ci/build.gitlab-ci.yml b/.ci/build.gitlab-ci.yml
index 5c2e4c2146dabe82a3646294287f12d9ccd88478..d36eb00009ad31697b967e20f63d05f49b89163d 100644
--- a/.ci/build.gitlab-ci.yml
+++ b/.ci/build.gitlab-ci.yml
@@ -1,4 +1,4 @@
-image: registry.gitlab.com/cykyrios/godot-builder:4.5-beta4-editor
+image: registry.gitlab.com/cykyrios/godot-builder:4.5-stable-editor
 
 stages:
   - test
@@ -15,13 +15,27 @@ variables:
 
 run-tests:
   stage: test
-  # Tests cannot work until GdUnit4 supports Godot 4.5 (FoldableContainer, variadic functions, etc.).
   script:
-    - echo "Skipping tests until GdUnit4 supports Godot 4.5"
+    - mkdir -p addons
+    - rm -rf .submodules/gdUnit4/addons/gdUnit4/test
+    - mv -t addons/ .submodules/gdUnit4/addons/gdUnit4/
+    - mv -t addons/ .submodules/godot_insim/addons/godot_insim/
+    - godot --headless --import
+    - export GODOT_BIN=$(which godot)
+    - ./addons/gdUnit4/runtest.sh
+      --headless --ignoreHeadlessMode
+      -c -a test
+  artifacts:
+    when: always
+    name: "Test Report"
+    paths:
+      - reports/
+    reports:
+      junit: reports/**/results.xml
 
 export-hub:
   stage: export
-  image: registry.gitlab.com/cykyrios/godot-builder:4.5-beta4-desktop
+  image: registry.gitlab.com/cykyrios/godot-builder:4.5-stable-desktop
   variables:
     DEPLOY: "release"
   rules:
diff --git a/.ci/docs.gitlab-ci.yml b/.ci/docs.gitlab-ci.yml
index 2c40b0183cedb882366678c323057c616db52bb1..0f9e919da25e6e1ae1338d1003064a51ec19a86f 100644
--- a/.ci/docs.gitlab-ci.yml
+++ b/.ci/docs.gitlab-ci.yml
@@ -9,9 +9,8 @@ workflow:
 
 generate-docs:
   stage: docs
-  image: registry.gitlab.com/cykyrios/godot-builder:4.5-beta4-docs-generator
+  image: registry.gitlab.com/cykyrios/godot-builder:4.5-stable-docs-generator
   script:
-    - apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y git
     - mkdir -p addons
     - mv -t addons/ .submodules/godot_insim/addons/godot_insim/
     - mv -t addons/ .submodules/gdscript_xml_converter/addons/gdscript_xml_converter/