diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index e17f965d26bcd64d8018358d5a551425c0ef4ae4..f7e4675b4a8649efd0587de668b2b630d2678264 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -4,7 +4,7 @@ variables:
   GIT_SUBMODULE_STRATEGY: recursive
 
 cache:
-  key: sphinx-build-env-docs-002
+  key: sphinx-build-env-docs-003
   paths:
   - .venv
   - .cache