diff --git a/src/config/app.spec.ts b/src/config/app.spec.ts
index 827ea14..6a07975 100644
--- a/src/config/app.spec.ts
+++ b/src/config/app.spec.ts
@@ -92,5 +92,92 @@ describe('config/app', () => {
 
             process.env = environment;
         });
+
+        it('should auto-enable backwardCompatibilityCheck for Laminas-related repositories', () => {
+            const originalEnv = process.env;
+
+            // Mock GITHUB_REPOSITORY for a Laminas repo
+            process.env = {
+                GITHUB_REPOSITORY: 'laminas/laminas-diactoros'
+            };
+
+            const config = createConfig(
+                { codeChecks: true, docLinting: true },
+                `${phpIniFromConfigurationPath}/composer.json`,
+                `${phpIniFromConfigurationPath}/composer.lock`,
+                `${phpIniFromConfigurationPath}/.laminas-ci.json`
+            );
+
+            expect(config.backwardCompatibilityCheck).toBe(true);
+
+            // Mock GITHUB_REPOSITORY for a Mezzio repo
+            process.env = {
+                GITHUB_REPOSITORY: 'mezzio/mezzio-swoole'
+            };
+
+            const mezzioConfig = createConfig(
+                { codeChecks: true, docLinting: true },
+                `${phpIniFromConfigurationPath}/composer.json`,
+                `${phpIniFromConfigurationPath}/composer.lock`,
+                `${phpIniFromConfigurationPath}/.laminas-ci.json`
+            );
+
+            expect(mezzioConfig.backwardCompatibilityCheck).toBe(true);
+
+            // Mock GITHUB_REPOSITORY for a laminas-api-tools repo
+            process.env = {
+                GITHUB_REPOSITORY: 'laminas-api-tools/api-tools-skeleton'
+            };
+
+            const apiToolsConfig = createConfig(
+                { codeChecks: true, docLinting: true },
+                `${phpIniFromConfigurationPath}/composer.json`,
+                `${phpIniFromConfigurationPath}/composer.lock`,
+                `${phpIniFromConfigurationPath}/.laminas-ci.json`
+            );
+
+            expect(apiToolsConfig.backwardCompatibilityCheck).toBe(true);
+
+            process.env = originalEnv;
+        });
+
+        it('should NOT auto-enable backwardCompatibilityCheck for non-Laminas repositories', () => {
+            const originalEnv = process.env;
+
+            process.env = {
+                GITHUB_REPOSITORY: 'some-user/some-repo'
+            };
+
+            const config = createConfig(
+                { codeChecks: true, docLinting: true },
+                `${phpIniFromConfigurationPath}/composer.json`,
+                `${phpIniFromConfigurationPath}/composer.lock`,
+                `${phpIniFromConfigurationPath}/.laminas-ci.json`
+            );
+
+            expect(config.backwardCompatibilityCheck).toBe(false);
+
+            process.env = originalEnv;
+        });
+
+        it('should respect explicit false for backwardCompatibilityCheck even in Laminas repositories', () => {
+            const originalEnv = process.env;
+
+            process.env = {
+                GITHUB_REPOSITORY: 'laminas/laminas-diactoros'
+            };
+
+            const bcCheckDisabledPath = 'tests/bc-check-disabled';
+            const config = createConfig(
+                { codeChecks: true, docLinting: true },
+                `${bcCheckDisabledPath}/composer.json`,
+                `${bcCheckDisabledPath}/composer.lock`,
+                `${bcCheckDisabledPath}/.laminas-ci.json`
+            );
+
+            expect(config.backwardCompatibilityCheck).toBe(false);
+
+            process.env = originalEnv;
+        });
     });
 });
diff --git a/src/config/app.ts b/src/config/app.ts
index 9bd24e1..e569dbc 100644
--- a/src/config/app.ts
+++ b/src/config/app.ts
@@ -29,6 +29,11 @@ import {
 
 export const OPERATING_SYSTEM = 'ubuntu-latest';
 export const ACTION = 'laminas/laminas-continuous-integration-action@v1';
+export const LAMINAS_RELATED_ORGANIZATIONS = [
+    'laminas',
+    'mezzio',
+    'laminas-api-tools',
+];
 
 export enum ComposerDependencySet {
     LOWEST = 'lowest',
@@ -555,6 +560,9 @@ export default function createConfig(
         baseReference = null;
     }
 
+    const [ owner = ''] = (process.env.GITHUB_REPOSITORY ?? '').split('/', 2);
+    const isLaminasRelatedRepository = LAMINAS_RELATED_ORGANIZATIONS.includes(owner);
+
     return {
         codeChecks                    : requirements.codeChecks,
         docLinting                    : requirements.docLinting,
@@ -567,7 +575,7 @@ export default function createConfig(
         lockedDependenciesExists      : fs.existsSync(composerLockJsonFileName),
         ignorePhpPlatformRequirements : configurationFromFile.ignore_php_platform_requirements ?? {},
         additionalComposerArguments   : [ ... new Set(configurationFromFile.additional_composer_arguments ?? []) ],
-        backwardCompatibilityCheck    : configurationFromFile.backwardCompatibilityCheck ?? false,
+        backwardCompatibilityCheck    : configurationFromFile.backwardCompatibilityCheck ?? isLaminasRelatedRepository,
         baseReference                 : baseReference,
     };
 }
diff --git a/tests/bc-check-disabled/.laminas-ci.json b/tests/bc-check-disabled/.laminas-ci.json
new file mode 100644
index 0000000..f627bd0
--- /dev/null
+++ b/tests/bc-check-disabled/.laminas-ci.json
@@ -0,0 +1 @@
+{"backwardCompatibilityCheck": false}
diff --git a/tests/bc-check-disabled/composer.json b/tests/bc-check-disabled/composer.json
new file mode 100644
index 0000000..0967ef4
--- /dev/null
+++ b/tests/bc-check-disabled/composer.json
@@ -0,0 +1 @@
+{}