diff --git a/Dockerfile b/Dockerfile
index 96963981..25423bae 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -69,6 +69,7 @@ ARG HUMHUB_VERSION
 ARG BUILD_DEPS
 
 RUN apk add --no-cache --update $BUILD_DEPS && \
+    ln -s /usr/bin/php81 /usr/bin/php && \
     rm -rf /var/cache/apk/*
 
 COPY --from=builder-composer /usr/bin/composer /usr/bin/composer