diff --git a/Dockerfile b/Dockerfile
index d4441d55..2f55956c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 # Default to using the latest version of Diffblue Cover on JDK17
 # Additional images are available for specific Diffblue Cover
 # versions and JDK versions.
-FROM diffblue/cover-cli:2024.11.01-jdk17
+FROM docker.io/diffblue/internal-cover-cli:release-2024.12.01-2024.12.01-rc1-jdk17
 
 # Copies your code file from your action repository to the filesystem path `/` of the container
 COPY entrypoint.sh /entrypoint.sh
diff --git a/jdk11/Dockerfile b/jdk11/Dockerfile
index a6f727f9..beb50c12 100644
--- a/jdk11/Dockerfile
+++ b/jdk11/Dockerfile
@@ -1,7 +1,7 @@
 # Default to using the latest version of Diffblue Cover on JDK11
 # Additional images are available for specific Diffblue Cover
 # versions and JDK versions.
-FROM diffblue/cover-cli:2024.11.01-jdk11
+FROM docker.io/diffblue/internal-cover-cli:release-2024.12.01-2024.12.01-rc1-jdk11
 
 # Copies your code file from your action repository to the filesystem path `/` of the container
 COPY entrypoint.sh /entrypoint.sh
diff --git a/jdk17/Dockerfile b/jdk17/Dockerfile
index d4441d55..2f55956c 100644
--- a/jdk17/Dockerfile
+++ b/jdk17/Dockerfile
@@ -1,7 +1,7 @@
 # Default to using the latest version of Diffblue Cover on JDK17
 # Additional images are available for specific Diffblue Cover
 # versions and JDK versions.
-FROM diffblue/cover-cli:2024.11.01-jdk17
+FROM docker.io/diffblue/internal-cover-cli:release-2024.12.01-2024.12.01-rc1-jdk17
 
 # Copies your code file from your action repository to the filesystem path `/` of the container
 COPY entrypoint.sh /entrypoint.sh
diff --git a/jdk21/Dockerfile b/jdk21/Dockerfile
index ea394143..5e6c156d 100644
--- a/jdk21/Dockerfile
+++ b/jdk21/Dockerfile
@@ -1,7 +1,7 @@
 # Default to using the latest version of Diffblue Cover on JDK21
 # Additional images are available for specific Diffblue Cover
 # versions and JDK versions.
-FROM diffblue/cover-cli:2024.11.01-jdk21
+FROM docker.io/diffblue/internal-cover-cli:release-2024.12.01-2024.12.01-rc1-jdk21
 
 # Copies your code file from your action repository to the filesystem path `/` of the container
 COPY entrypoint.sh /entrypoint.sh
diff --git a/jdk8/Dockerfile b/jdk8/Dockerfile
index 878e60fc..b13906f6 100644
--- a/jdk8/Dockerfile
+++ b/jdk8/Dockerfile
@@ -1,7 +1,7 @@
 # Default to using the latest version of Diffblue Cover on JDK8
 # Additional images are available for specific Diffblue Cover
 # versions and JDK versions.
-FROM diffblue/cover-cli:2024.11.01-jdk8
+FROM docker.io/diffblue/internal-cover-cli:release-2024.12.01-2024.12.01-rc1-jdk8
 
 # Copies your code file from your action repository to the filesystem path `/` of the container
 COPY entrypoint.sh /entrypoint.sh