diff --git a/main_pbuilder.sh b/main_pbuilder.sh
index cd4140efa..482bdcc1c 100755
--- a/main_pbuilder.sh
+++ b/main_pbuilder.sh
@@ -8,6 +8,9 @@ VERSION="$PIKA_PACKAGE_VERSION"
 
 echo "$PIKA_BUILD_ARCH" > pika-build-arch
 
+apt-get update -y
+apt-get install pika-pbuilder -y
+
 # Get source code
 if [[ "$PIKA_PACKAGE_NAME" == *-dmo ]];
 then