diff --git a/.github/workflows/container-validation.yml b/.github/workflows/container-validation.yml
index 3a0975d..6a015ac 100644
--- a/.github/workflows/container-validation.yml
+++ b/.github/workflows/container-validation.yml
@@ -25,19 +25,19 @@ jobs:
       build_args: "ubuntu_version_code=noble"
 
   simplerisk-minimal-php84:
-    name: 'Verify simplerisk/simplerisk-minimal image based on PHP 8.4 with Apache'
+    name: 'Verify simplerisk/simplerisk-minimal image based on PHP 8.3 with Apache'
     uses: ./.github/workflows/verify-image_rw.yml
     with:
       context_path: "simplerisk-minimal/"
       dockerfile_path: "simplerisk-minimal/Dockerfile"
       image_tag: "simplerisk/simplerisk-minimal:testing"
-      build_args: "php_version=8.4"
+      build_args: "php_version=8.3"
 
   simplerisk-minimal-php85:
-    name: 'Verify simplerisk/simplerisk-minimal image based on PHP 8.5 with Apache'
+    name: 'Verify simplerisk/simplerisk-minimal image based on PHP 8.4 with Apache'
     uses: ./.github/workflows/verify-image_rw.yml
     with:
       context_path: "simplerisk-minimal/"
       dockerfile_path: "simplerisk-minimal/Dockerfile"
       image_tag: "simplerisk/simplerisk-minimal:testing"
-      build_args: "php_version=8.5"
+      build_args: "php_version=8.4"
diff --git a/.github/workflows/push-to-dockerhub.yml b/.github/workflows/push-to-dockerhub.yml
index e387afd..b3ec7b1 100644
--- a/.github/workflows/push-to-dockerhub.yml
+++ b/.github/workflows/push-to-dockerhub.yml
@@ -37,27 +37,27 @@ jobs:
       build_args: "ubuntu_version_code=noble"
     secrets: inherit
   simplerisk-minimal-php84:
-    name: 'Push simplerisk/simplerisk-minimal image based on PHP 8.4 with Apache'
+    name: 'Push simplerisk/simplerisk-minimal image based on PHP 8.3 with Apache'
     uses: ./.github/workflows/push-to-dockerhub_rw.yml
     with:
       context_path: "simplerisk-minimal"
       dockerfile_path: "simplerisk-minimal/Dockerfile"
       image_name: "simplerisk/simplerisk-minimal"
       version: "20260422-001"
-      os_version: "php84"
-      build_args: "php_version=8.4"
+      os_version: "php83"
+      build_args: "php_version=8.3"
       platforms: linux/amd64,linux/arm64
     secrets: inherit
   simplerisk-minimal-php85:
-    name: 'Push simplerisk/simplerisk-minimal image based on PHP 8.5 with Apache'
+    name: 'Push simplerisk/simplerisk-minimal image based on PHP 8.4 with Apache'
     uses: ./.github/workflows/push-to-dockerhub_rw.yml
     with:
       context_path: "simplerisk-minimal"
       dockerfile_path: "simplerisk-minimal/Dockerfile"
       image_name: "simplerisk/simplerisk-minimal"
       version: "20260422-001"
-      os_version: "php85"
+      os_version: "php84"
       main_image: true
-      build_args: "php_version=8.5"
+      build_args: "php_version=8.4"
       platforms: linux/amd64,linux/arm64
     secrets: inherit
diff --git a/.github/workflows/push-to-gh-pkgs.yml b/.github/workflows/push-to-gh-pkgs.yml
index 0d511a0..e46c98e 100644
--- a/.github/workflows/push-to-gh-pkgs.yml
+++ b/.github/workflows/push-to-gh-pkgs.yml
@@ -37,25 +37,25 @@ jobs:
       build_args: "ubuntu_version_code=noble"
     secrets: inherit
   simplerisk-minimal-php84:
-    name: 'Push simplerisk/simplerisk-minimal image based on PHP 8.4 with Apache'
+    name: 'Push simplerisk/simplerisk-minimal image based on PHP 8.3 with Apache'
     uses: ./.github/workflows/push-to-gh-pkgs_rw.yml
     with:
       context_path: "simplerisk-minimal"
       dockerfile_path: "simplerisk-minimal/Dockerfile"
       image_name: "simplerisk-minimal"
       version: "20260422-001"
-      os_version: "php84"
-      build_args: "php_version=8.4"
+      os_version: "php83"
+      build_args: "php_version=8.3"
     secrets: inherit
   simplerisk-minimal-php85:
-    name: 'Push simplerisk/simplerisk-minimal image based on PHP 8.5 with Apache'
+    name: 'Push simplerisk/simplerisk-minimal image based on PHP 8.4 with Apache'
     uses: ./.github/workflows/push-to-gh-pkgs_rw.yml
     with:
       context_path: "simplerisk-minimal"
       dockerfile_path: "simplerisk-minimal/Dockerfile"
       image_name: "simplerisk-minimal"
       version: "20260422-001"
-      os_version: "php85"
+      os_version: "php84"
       main_image: true
-      build_args: "php_version=8.5"
+      build_args: "php_version=8.4"
     secrets: inherit
diff --git a/simplerisk-minimal/Dockerfile b/simplerisk-minimal/Dockerfile
index dd44cbc..5ee68bf 100644
--- a/simplerisk-minimal/Dockerfile
+++ b/simplerisk-minimal/Dockerfile
@@ -1,5 +1,5 @@
 # Dockerfile generated by script
-ARG php_version=8.5
+ARG php_version=8.4
 
 FROM alpine/curl:8.12.1 AS downloader
 
diff --git a/simplerisk-minimal/generate_dockerfile.sh b/simplerisk-minimal/generate_dockerfile.sh
index 7a3461a..433fd1a 100755
--- a/simplerisk-minimal/generate_dockerfile.sh
+++ b/simplerisk-minimal/generate_dockerfile.sh
@@ -15,7 +15,7 @@ fi
 
 cat << EOF > "${SCRIPT_LOCATION}/Dockerfile"
 # Dockerfile generated by script
-ARG php_version=8.5
+ARG php_version=8.4
 
 EOF