diff --git a/Dockerfile b/Dockerfile
index 57ff994..44a9c51 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -23,6 +23,7 @@ ENV CGO_LDFLAGS "-static -w -s"
 
 RUN wget https://git.coadcorp.com/nathan/json2excel/archive/initial.zip && \
     unzip json2excel-initial.zip && \
+    rm json2excel-initial.zip && \
     cd json2excel && \
     go mod download && \
     go build -o /json2excel cmd/main/main.go