diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f699ed4..d4571bc 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -41,7 +41,7 @@ jobs:
     - name: Qt - Ubuntu
       if: startsWith(matrix.build, 'gui') && runner.os == 'Linux'
       shell: bash
-      run: sudo apt-get install qt5-default
+      run: sudo apt-get install qt5-default=5.9.5+dfsg-0ubuntu2.5
 
     - name: Qt - Windows/Mac
       if: startsWith(matrix.build, 'gui') && runner.os != 'Linux'
diff --git a/.github/workflows/package.yml b/.github/workflows/package.yml
index ae34287..367b32b 100644
--- a/.github/workflows/package.yml
+++ b/.github/workflows/package.yml
@@ -23,7 +23,7 @@ jobs:
       - name: Qt
         if: startsWith(matrix.component, 'gui')
         shell: bash
-        run: sudo apt-get install qt5-default
+        run: sudo apt-get install qt5-default=5.9.5+dfsg-0ubuntu2.5
 
       - name: Package
         id: package