diff --git a/Dockerfile b/Dockerfile
index c040309..51dff90 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,8 +12,9 @@ RUN apk update --no-cache && apk add --no-cache tzdata ca-certificates
 
 WORKDIR /build
 
-# Copy go.mod and go.sum first to take advantage of Docker caching
+# Copy go.mod, go.sum, and replace targets (third_party) before downloading deps
 COPY go.mod go.sum ./
+COPY third_party/ ./third_party/
 RUN go mod download
 
 # Copy the rest of the application code