diff --git a/.github/workflows/ubuntu.yml b/.github/workflows/ubuntu.yml
index 0f5f28e..8a5f263 100644
--- a/.github/workflows/ubuntu.yml
+++ b/.github/workflows/ubuntu.yml
@@ -11,7 +11,7 @@ jobs:
     strategy:
       matrix:
         os: ["ubuntu-latest"]
-        python-version: ['3.8', '3.9', '3.10']
+        python-version: ['3.8', '3.9']
         ymlfile: ['environment.yml']
     name: Py${{ matrix.python-version }} @ ${{ matrix.os }}
     runs-on: ${{ matrix.os }}
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index 234a5af..0b0f2b7 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -15,7 +15,7 @@ jobs:
     strategy:
       matrix:
         os: ["windows-latest"]
-        python-version: ['3.8', '3.9', '3.10']
+        python-version: ['3.8', '3.9']
         ymlfile: ['environment_win.yml']
     name: Py${{ matrix.python-version }} @ ${{ matrix.os }}
     runs-on: ${{ matrix.os }}
diff --git a/environment_win.yml b/environment_win.yml
index c630bc6..d185d5b 100644
--- a/environment_win.yml
+++ b/environment_win.yml
@@ -3,7 +3,7 @@ channels:
   - defaults
   - conda-forge
 dependencies:
-  - gdal=3.1.3
+  - gdal=3.0.2
   - numpy
   - scipy
   - cartopy