diff --git a/web-wasm/Dockerfile.in b/web-wasm/Dockerfile.in
index 1dd1fb8..7e0b8c8 100644
--- a/web-wasm/Dockerfile.in
+++ b/web-wasm/Dockerfile.in
@@ -33,6 +33,7 @@ RUN \
     libtool \
     python3 \
     python3-pip \
+    osslsigncode \
     rsync \
     sed \
     ssh \