diff --git a/Dockerfile b/Dockerfile
index fd5d81a0..e5e6ad7a 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:2025.02.02-jdk17
+FROM docker.io/diffblue/internal-cover-cli:release-2025.03.01-2025.03.01-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 85a4cfd0..87804b70 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:2025.02.02-jdk11
+FROM docker.io/diffblue/internal-cover-cli:release-2025.03.01-2025.03.01-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 fd5d81a0..e5e6ad7a 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:2025.02.02-jdk17
+FROM docker.io/diffblue/internal-cover-cli:release-2025.03.01-2025.03.01-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 645a7290..5c8f212c 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:2025.02.02-jdk21
+FROM docker.io/diffblue/internal-cover-cli:release-2025.03.01-2025.03.01-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 70abbee1..171ecae8 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:2025.02.02-jdk8
+FROM docker.io/diffblue/internal-cover-cli:release-2025.03.01-2025.03.01-rc1-jdk8
 
 # Copies your code file from your action repository to the filesystem path `/` of the container
 COPY entrypoint.sh /entrypoint.sh