diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 85c6c41..93c9400 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -300,10 +300,10 @@ jobs:
       - name: Check out repository code
         uses: actions/checkout@v2
 
-      - name: Install Inno setup
+      - name: Install Inno setup 6.3.1
         run: |
           Invoke-WebRequest -Uri "https://jrsoftware.org/download.php/is.exe" -OutFile innosetup.exe
-          if ((Get-FileHash innosetup.exe).Hash -eq "CAAAAF91D43B2878BBB63AE90AA2F0E144B5EC85A75F19E423E4FC4DDC52E157") {
+          if ((Get-FileHash innosetup.exe).Hash -eq "0d17934f1668eeb96f11145621c88d20d164d3013bc6fb124458086e82d68d1f") {
             Start-Process .\innosetup.exe -ArgumentList "/VERYSILENT /LOG=innosetup.log" -NoNewWindow -Wait
             Get-Content innosetup.log
           } else {