diff --git a/.github/workflows/conda_ci.yml b/.github/workflows/conda_ci.yml
index b21e793..ab6ecfd 100644
--- a/.github/workflows/conda_ci.yml
+++ b/.github/workflows/conda_ci.yml
@@ -24,14 +24,15 @@ jobs:
       - name: Setup Python 🐍
         uses: "actions/setup-python@v5"
         with:
-          python-version: "3.8"
+          python-version: "3.11"
 
       - name: Setup Conda
-        uses: conda-incubator/setup-miniconda@v2
+        uses: conda-incubator/setup-miniconda@v2.1.1
         with:
           activate-environment: env
           conda-build-version: 3.28.4
-          python-version: "3.8"
+          miniconda-version: py311_24.1.2-0
+          python-version: "3.11"
           miniforge-variant: Mambaforge
 
       - name: Install dependencies 🔧
diff --git a/.github/workflows/python_ci.yml b/.github/workflows/python_ci.yml
index ad3c192..2317793 100644
--- a/.github/workflows/python_ci.yml
+++ b/.github/workflows/python_ci.yml
@@ -39,7 +39,7 @@ jobs:
           - {python-version: "pypy-3.6", testenvs: "pypy36", experimental: False}
           - {python-version: "pypy-3.7", testenvs: "pypy37,build", experimental: False}
           - {python-version: "pypy-3.8", testenvs: "pypy38,build", experimental: False}
-          - {python-version: "pypy-3.9", testenvs: "pypy39,build", experimental: True}
+          - {python-version: "pypy-3.9-v7.3.15", testenvs: "pypy39,build", experimental: True}
 
     steps:
       - name: Checkout 🛎️
diff --git a/.github/workflows/python_ci_linux.yml b/.github/workflows/python_ci_linux.yml
index 00d946d..a046eb0 100644
--- a/.github/workflows/python_ci_linux.yml
+++ b/.github/workflows/python_ci_linux.yml
@@ -188,14 +188,15 @@ jobs:
       - name: Setup Python 🐍
         uses: "actions/setup-python@v5"
         with:
-          python-version: 3.8
+          python-version: 3.11
 
       - name: Setup Conda
-        uses: conda-incubator/setup-miniconda@v2
+        uses: conda-incubator/setup-miniconda@v2.1.1
         with:
           activate-environment: env
           conda-build-version: 3.28.4
-          python-version: "3.8"
+          miniconda-version: py311_24.1.2-0
+          python-version: "3.11"
           miniforge-variant: Mambaforge
 
       - name: Install dependencies 🔧