diff --git a/.github/release-nest-v3 b/.github/release-nest-v3
index d8263ee..e440e5c 100644
--- a/.github/release-nest-v3
+++ b/.github/release-nest-v3
@@ -1 +1 @@
-2
\ No newline at end of file
+3
\ No newline at end of file
diff --git a/main.sh b/main.sh
index 2095a5b..d136b2b 100755
--- a/main.sh
+++ b/main.sh
@@ -9,7 +9,7 @@ source ./pika-build-config.sh
 echo "$PIKA_BUILD_ARCH" > pika-build-arch
 
 # Clone Upstream
-git clone ./python3-antlr4 https://github.com/antlr/antlr4 -b "$VERSION"
+git clone --depth=1 https://github.com/antlr/antlr4 ./python3-antlr4 -b "$VERSION"
 cp -rvf ./debian ./python3-antlr4/
 cd ./python3-antlr4