diff --git a/Dockerfile b/Dockerfile
index 6f2a7af..fbc0436 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,9 +2,10 @@ FROM golang:alpine AS build
 
 WORKDIR /app/
 
-RUN apk add --no-cache build-base libwebp-dev
+RUN apk add --no-cache build-base libwebp-dev git
 
 COPY . .
+COPY ./.git/ ./.git/
 
 RUN  --mount=type=cache,target=/root/.cache/go-build \
     go build -ldflags "-s -w -X 'main.version=$(date '+%Y-%m-%d')-$(git rev-list --abbrev-commit -1 HEAD)'"