diff --git a/Dockerfile b/Dockerfile
index 55e77eb..1c73dae 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,7 +8,7 @@ LABEL build_version="FFDL-Auto version:- ${VERSION} Calibre: ${CALIBRE_RELEASE}
 
 ENV PUID="911" \
     PGID="911" \
-	CALIBRE_INSTALLER_SOURCE_CODE_URL https://raw.githubusercontent.com/kovidgoyal/calibre/master/setup/linux-installer.py
+	CALIBRE_INSTALLER_SOURCE_CODE_URL="https://raw.githubusercontent.com/kovidgoyal/calibre/master/setup/linux-installer.py"
 	
 RUN set -x && \
     apk update && \
diff --git a/release-versions/latest.txt b/release-versions/latest.txt
index a9ed9ce..7891ff3 100644
--- a/release-versions/latest.txt
+++ b/release-versions/latest.txt
@@ -1 +1 @@
-2022.03.25-30
+2022.03.25-31