diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e801b74..ebcb8ef 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -33,19 +33,10 @@ jobs:
     name: Tests
     strategy:
       matrix:
-        rust: ["stable", "beta", "nightly"]
-        os: ["ubuntu-latest", "macos-latest"]
-        pg: ["11", "12", "13", "14"]
-        mode: ["debug", "release"]
-        exclude:
-          - os: "macos-latest"
-            pg: "10"
-          - os: "macos-latest"
-            pg: "11"
-          - os: "macos-latest"
-            pg: "12"
-          - os: "macos-latest"
-            pg: "13"
+        rust: ["stable"]
+        os: ["windows-latest"]
+        pg: ["10"]
+        mode: ["debug"]
     runs-on: ${{ matrix.os }}
 
     steps:
@@ -54,6 +45,7 @@ jobs:
         with:
           toolchain: ${{ matrix.rust }}
 
+
       - name: Install postgreSQL (Linux)
         if: matrix.os == 'ubuntu-latest'
         run: |
@@ -83,9 +75,11 @@ jobs:
       - name: Sets feature variable
         shell: bash
         run: |
-          if (( $(echo "${{ matrix.pg }} >= 11" | bc -l) ))
+          if [[ ${{ matrix.pg }} -ge 11 ]]
           then
             echo "feature=v$(echo ${{ matrix.pg }} | sed 's/\./_/')" >> $GITHUB_ENV
+          else
+            echo "feature=default" >> $GITHUB_ENV
           fi
 
       - name: Rustup update