diff --git a/.github/workflows/commit-ci.yml b/.github/workflows/commit-ci.yml
index 71f287c32..d86093c23 100644
--- a/.github/workflows/commit-ci.yml
+++ b/.github/workflows/commit-ci.yml
@@ -25,7 +25,7 @@ jobs:
     - uses: mamba-org/setup-micromamba@v1
       with:
         micromamba-version: latest
-        environment-name: ${{ github.event.repository.name }}-ubuntu-latest-311
+        environment-name: ${{ github.event.repository.name }}-ubuntu-latest-311-${{ hashFiles('requirements/dev.txt') }}
         environment-file: requirements/base.txt
         create-args: >-
           -f requirements/dev.txt
diff --git a/.github/workflows/pr-ci.yml b/.github/workflows/pr-ci.yml
index 12e89ff2b..8ded95559 100644
--- a/.github/workflows/pr-ci.yml
+++ b/.github/workflows/pr-ci.yml
@@ -43,7 +43,7 @@ jobs:
     - uses: mamba-org/setup-micromamba@v1
       with:
         micromamba-version: latest
-        environment-name: ${{ github.event.repository.name }}-${{ matrix.os }}-3${{ matrix.py3version }}
+        environment-name: ${{ github.event.repository.name }}-${{ matrix.os }}-3${{ matrix.py3version }}-${{ hashFiles('requirements/dev.txt') }}
         environment-file: requirements/base.txt
         create-args: >-
           -f requirements/dev.txt