diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6a163c634..770bd5874 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -104,7 +104,7 @@ jobs:
           sudo mv bin/arm* /usr/bin/
       - name: Install wibo
         run: |-
-          wget https://github.com/decompals/WiBo/releases/download/0.6.4/wibo && chmod +x wibo && sudo cp wibo /usr/bin/
+          wget https://github.com/decompals/wibo/releases/download/0.6.6/wibo && chmod +x wibo && sudo cp wibo /usr/bin/
 
       - name: Run backend tests
         run: |-
diff --git a/backend/Dockerfile b/backend/Dockerfile
index 840880bcf..c5aaf1840 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -62,7 +62,7 @@ RUN curl -sSL https://install.python-poetry.org/ | \
 
 COPY --from=nsjail /nsjail/nsjail /bin/nsjail
 
-COPY --from=ghcr.io/decompals/wibo:0.6.4 /usr/local/sbin/wibo /usr/bin/
+COPY --from=ghcr.io/decompals/wibo:0.6.6 /usr/local/sbin/wibo /usr/bin/
 
 # windows compilers need i386 wine