diff --git a/src/package_io/input_parser.star b/src/package_io/input_parser.star
index a127e2d49..08b3a7dd4 100644
--- a/src/package_io/input_parser.star
+++ b/src/package_io/input_parser.star
@@ -15,7 +15,7 @@ DEFAULT_EL_IMAGES = {
 }
 
 DEFAULT_CL_IMAGES = {
-    "lighthouse": "sigp/lighthouse:latest",
+    "lighthouse": "sigp/lighthouse:latest-unstable",
     "teku": "consensys/teku:latest",
     "nimbus": "statusim/nimbus-eth2:multiarch-latest",
     "prysm": "gcr.io/prysmaticlabs/prysm/beacon-chain:latest",
@@ -24,7 +24,7 @@ DEFAULT_CL_IMAGES = {
 }
 
 DEFAULT_CL_IMAGES_MINIMAL = {
-    "lighthouse": "ethpandaops/lighthouse:stable-minimal",
+    "lighthouse": "ethpandaops/lighthouse:unstable-minimal",
     "teku": "consensys/teku:latest",
     "nimbus": "ethpandaops/nimbus-eth2:stable-minimal",
     "prysm": "ethpandaops/prysm-beacon-chain:develop-minimal",
@@ -42,7 +42,7 @@ DEFAULT_VC_IMAGES = {
 }
 
 DEFAULT_VC_IMAGES_MINIMAL = {
-    "lighthouse": "ethpandaops/lighthouse:stable-minimal",
+    "lighthouse": "ethpandaops/lighthouse:unstable-minimal",
     "lodestar": "chainsafe/lodestar:latest",
     "nimbus": "ethpandaops/nimbus-validator-client:stable-minimal",
     "prysm": "ethpandaops/prysm-validator:develop-minimal",