diff --git a/tac/tacchaind.Dockerfile b/tac/tacchaind.Dockerfile
index 2426eb0b..c26c7352 100644
--- a/tac/tacchaind.Dockerfile
+++ b/tac/tacchaind.Dockerfile
@@ -8,7 +8,8 @@ RUN apk upgrade --no-cache && \
     apk add --no-cache \
     ca-certificates \
     curl \
-    libusb
+    libusb \
+    sed
 
 # Download binary and checksums
 ARG VERSION