diff --git a/scripts/custom-docker-build b/scripts/custom-docker-build
index 956ec7e..c5b8430 100755
--- a/scripts/custom-docker-build
+++ b/scripts/custom-docker-build
@@ -192,7 +192,7 @@ function print_ruby_args() {
             ;;
 
         2.7|2.7.patched)
-            RUBY_VERSION="2.7.5"
+            RUBY_VERSION="2.7.6"
             RUBY_DOWNLOAD_SHA256="2755b900a21235b443bb16dadd9032f784d4a88f143d852bc5d154f22b8781f1"
             ;;