diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f2915acc..176e671a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -261,8 +261,8 @@ jobs:
       - name: Set up CBMC runner
         uses: FreeRTOS/CI-CD-Github-Actions/set_up_cbmc_runner@main
         with:
-          cbmc_version: "5.61.0"
-          cbmc_viewer_version: "3.5"
+          cbmc_version: "5.95.1"
+          cbmc_viewer_version: "latest"
       - name: Install cmake
         run: |
           sudo apt-get install -y cmake
diff --git a/test/cbmc/proofs/C_CreateObject/Makefile b/test/cbmc/proofs/C_CreateObject/Makefile
index cce61508..d987f12f 100644
--- a/test/cbmc/proofs/C_CreateObject/Makefile
+++ b/test/cbmc/proofs/C_CreateObject/Makefile
@@ -25,6 +25,8 @@ MAX_LABEL_SIZE=32
 # Should be one more than the total number of objects in the PKCS stack.
 MAX_OBJECT_NUM=2
 
+CBMC_OBJECT_BITS=9
+
 DEFINES += -DTEMPLATE_SIZE=$(TEMPLATE_SIZE)
 DEFINES += -DTEMPLATE_ATTRIBUTE_MAX_SIZE=$(TEMPLATE_ATTRIBUTE_MAX_SIZE)