diff --git a/.github/scripts/defaults.sh b/.github/scripts/defaults.sh
index d26382df..707b835a 100755
--- a/.github/scripts/defaults.sh
+++ b/.github/scripts/defaults.sh
@@ -72,7 +72,7 @@ mapping["chipyard-constellation"]=" CONFIG=SharedNoCConfig"
 mapping["chipyard-clusters"]=" CONFIG=ClusteredRocketConfig verilog"
 mapping["chipyard-aes256ecb"]=" CONFIG=AES256ECBRocketConfig"
 mapping["chipyard-radiance"]=" CONFIG=RadianceConfig"
-# mapping["chipyard-coalescer"]=" CONFIG=MemtraceCoreConfig"
+mapping["chipyard-coalescer"]=" CONFIG=MemtraceCoreConfig"
 
 mapping["constellation"]=" SUB_PROJECT=constellation"
 mapping["coalescer"]=" SUB_PROJECT=coalescer"
diff --git a/.github/workflows/chipyard-run-tests-gpu.yml b/.github/workflows/chipyard-run-tests-gpu.yml
index bf131b1f..15506e95 100644
--- a/.github/workflows/chipyard-run-tests-gpu.yml
+++ b/.github/workflows/chipyard-run-tests-gpu.yml
@@ -244,7 +244,7 @@ jobs:
     name: "all tests passed"
     needs: [
             chipyard-radiance-run-tests,
-            # chipyard-coalescer-run-tests,
+            chipyard-coalescer-run-tests,
             coalescer-run-tests,
             ]
     runs-on: self-hosted