diff --git a/.github/workflows/ci-additional.yml b/.github/workflows/ci-additional.yml
index 94ed0080..4bfe2751 100644
--- a/.github/workflows/ci-additional.yml
+++ b/.github/workflows/ci-additional.yml
@@ -29,7 +29,7 @@ jobs:
           fetch-depth: 0 # fetch all branches and tags
 
       - name: setup environment
-        uses: prefix-dev/setup-pixi@fef5c9568ca6c4ff7707bf840ab0692ba3f08293 # 0.9.0
+        uses: prefix-dev/setup-pixi@194d461b21b6c5717c722ffc597fa91ed2ff29fa # 0.9.1
         with:
           environments: "doctests"
 
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1670c14b..dd5ff57a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -61,7 +61,7 @@ jobs:
           fetch-depth: 0 # fetch all branches and tags
 
       - name: setup environment
-        uses: prefix-dev/setup-pixi@fef5c9568ca6c4ff7707bf840ab0692ba3f08293 # 0.9.0
+        uses: prefix-dev/setup-pixi@194d461b21b6c5717c722ffc597fa91ed2ff29fa # 0.9.1
         with:
           environments: "${{ matrix.env }}"
 
diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index 380eacf8..a7ce0b0a 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -67,7 +67,7 @@ jobs:
           rm pixi.lock
 
       - name: setup environment
-        uses: prefix-dev/setup-pixi@fef5c9568ca6c4ff7707bf840ab0692ba3f08293 # 0.9.0
+        uses: prefix-dev/setup-pixi@194d461b21b6c5717c722ffc597fa91ed2ff29fa # 0.9.1
         with:
           environments: "nightly"
           locked: false