diff --git a/backend/Dockerfile b/backend/Dockerfile
index e730ac4..6067fdf 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -33,16 +33,12 @@ RUN set -eux; \
     else \
       CANDIDATES="\
 https://github.com/OrcaSlicer/OrcaSlicer/releases/download/v${ORCA_VERSION}/OrcaSlicer_Linux_AppImage_Ubuntu2204_V${ORCA_VERSION}.AppImage \
-https://github.com/OrcaSlicer/OrcaSlicer/releases/download/v${ORCA_VERSION}/OrcaSlicer_Linux_AppImage_V${ORCA_VERSION}.AppImage \
-https://github.com/OrcaSlicer/OrcaSlicer/releases/download/v${ORCA_VERSION}/OrcaSlicer_Linux_AppImage_Ubuntu2404_V${ORCA_VERSION}.AppImage \
-https://github.com/OrcaSlicer/OrcaSlicer/releases/download/v${ORCA_VERSION}/OrcaSlicer_Linux_V${ORCA_VERSION}.AppImage \
 https://github.com/SoftFever/OrcaSlicer/releases/download/v${ORCA_VERSION}/OrcaSlicer_Linux_AppImage_Ubuntu2204_V${ORCA_VERSION}.AppImage \
-https://github.com/SoftFever/OrcaSlicer/releases/download/v${ORCA_VERSION}/OrcaSlicer_Linux_AppImage_V${ORCA_VERSION}.AppImage \
-https://github.com/SoftFever/OrcaSlicer/releases/download/v${ORCA_VERSION}/OrcaSlicer_Linux_AppImage_Ubuntu2404_V${ORCA_VERSION}.AppImage \
-https://github.com/SoftFever/OrcaSlicer/releases/download/v${ORCA_VERSION}/OrcaSlicer_Linux_V${ORCA_VERSION}.AppImage"; \
+https://github.com/SoftFever/OrcaSlicer/releases/download/v2.2.0/OrcaSlicer_Linux_V2.2.0.AppImage"; \
       ok=0; \
       for url in $CANDIDATES; do \
         if wget -q --spider "$url"; then \
+          echo "Using OrcaSlicer URL: $url"; \
           wget -q "$url" -O OrcaSlicer.AppImage; \
           ok=1; \
           break; \