diff --git a/.github/workflows/mikrotik_patch_7.yml b/.github/workflows/mikrotik_patch_7.yml
index 71e1cca..62c7179 100644
--- a/.github/workflows/mikrotik_patch_7.yml
+++ b/.github/workflows/mikrotik_patch_7.yml
@@ -201,6 +201,7 @@ jobs:
             }]
         }]
         EOF
+        sudo apt-get install python3-crcmod
         HASH=$(python3 -E <<EOF
         import hashlib, crcmod, sys
         with open('option.jg','rb') as f: