diff --git a/wine/entrypoint.sh b/wine/entrypoint.sh
index 0b524c1..5721a6f 100644
--- a/wine/entrypoint.sh
+++ b/wine/entrypoint.sh
@@ -70,7 +70,7 @@ if [[ $WINETRICKS_RUN =~ mono ]]; then
         WINETRICKS_RUN=${WINETRICKS_RUN/mono}
 
         if [ ! -f "$WINEPREFIX/mono.msi" ]; then
-                wget -q -O $WINEPREFIX/mono.msi https://dl.winehq.org/wine/wine-mono/9.0.0/wine-mono-9.0.0-x86.msi
+                wget -q -O $WINEPREFIX/mono.msi https://dl.winehq.org/wine/wine-mono/9.1.0/wine-mono-9.1.0-x86.msi
         fi
 
         wine msiexec /i $WINEPREFIX/mono.msi /qn /quiet /norestart /log $WINEPREFIX/mono_install.log