diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index fe4a64d66..0f101f866 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -21,7 +21,7 @@ defaults:
     shell: bash
 
 env:
-  BITCOIN_VERSION: "27"
+  BITCOIN_VERSION: "28"
   
   TRANCHES: 8
 
diff --git a/scripts/install_bitcoind.sh b/scripts/install_bitcoind.sh
index b4faa4bec..8f74efa46 100755
--- a/scripts/install_bitcoind.sh
+++ b/scripts/install_bitcoind.sh
@@ -4,13 +4,20 @@ set -ev
 
 BITCOIND_VERSION=$1
 
+# Useful for testing RCs: e.g. TAG_SUFFIX=.0rc1, DIR_SUFFIX=.0rc1
+TAG_SUFFIX=
+DIR_SUFFIX=.0
+
+# Useful for testing against an image pushed to a different Docker repo.
+REPO=lightninglabs/bitcoin-core
+
 if [ -z "$BITCOIND_VERSION" ]; then
   echo "Must specify a version of bitcoind to install."
   echo "Usage: install_bitcoind.sh <version>"
   exit 1
 fi
 
-docker pull lightninglabs/bitcoin-core:${BITCOIND_VERSION}
-CONTAINER_ID=$(docker create lightninglabs/bitcoin-core:${BITCOIND_VERSION})
-sudo docker cp $CONTAINER_ID:/opt/bitcoin-${BITCOIND_VERSION}.0/bin/bitcoind /usr/local/bin/bitcoind
+docker pull ${REPO}:${BITCOIND_VERSION}${TAG_SUFFIX}
+CONTAINER_ID=$(docker create ${REPO}:${BITCOIND_VERSION}${TAG_SUFFIX})
+sudo docker cp $CONTAINER_ID:/opt/bitcoin-${BITCOIND_VERSION}${DIR_SUFFIX}/bin/bitcoind /usr/local/bin/bitcoind
 docker rm $CONTAINER_ID