diff --git a/lib/modules/manager/gomod/extract.spec.ts b/lib/modules/manager/gomod/extract.spec.ts
index 59304b70327..1bea10d57b7 100644
--- a/lib/modules/manager/gomod/extract.spec.ts
+++ b/lib/modules/manager/gomod/extract.spec.ts
@@ -69,6 +69,7 @@ describe('modules/manager/gomod/extract', () => {
             currentValue: '1.23',
             datasource: 'golang-version',
             versioning: 'go-mod-directive',
+            commitMessageTopic: 'go module directive',
           },
           {
             managerData: {
@@ -143,6 +144,7 @@ describe('modules/manager/gomod/extract', () => {
             currentValue: '1.25.5',
             datasource: 'golang-version',
             versioning: 'go-mod-directive',
+            commitMessageTopic: 'go module directive',
           },
           {
             managerData: {
@@ -212,6 +214,7 @@ describe('modules/manager/gomod/extract', () => {
             currentValue: '1.23',
             datasource: 'golang-version',
             versioning: 'go-mod-directive',
+            commitMessageTopic: 'go module directive',
           },
           {
             managerData: {
@@ -221,6 +224,7 @@ describe('modules/manager/gomod/extract', () => {
             depType: 'toolchain',
             currentValue: '1.23.3',
             datasource: 'golang-version',
+            commitMessageTopic: 'go toolchain directive',
           },
           {
             managerData: {
@@ -422,6 +426,7 @@ describe('modules/manager/gomod/extract', () => {
           currentValue: '1.19',
           datasource: 'golang-version',
           versioning: 'go-mod-directive',
+          commitMessageTopic: 'go module directive',
         },
         {
           managerData: {
diff --git a/lib/modules/manager/gomod/line-parser.spec.ts b/lib/modules/manager/gomod/line-parser.spec.ts
index 2d97c4e03cb..f002b856744 100644
--- a/lib/modules/manager/gomod/line-parser.spec.ts
+++ b/lib/modules/manager/gomod/line-parser.spec.ts
@@ -14,6 +14,7 @@ describe('modules/manager/gomod/line-parser', () => {
       depName: 'go',
       depType: 'golang',
       versioning: 'go-mod-directive',
+      commitMessageTopic: 'go module directive',
     });
   });
 
@@ -27,6 +28,7 @@ describe('modules/manager/gomod/line-parser', () => {
       depType: 'golang',
       skipReason: 'invalid-version',
       versioning: 'go-mod-directive',
+      commitMessageTopic: 'go module directive',
     });
   });
 
@@ -39,6 +41,7 @@ describe('modules/manager/gomod/line-parser', () => {
       depName: 'go',
       depType: 'toolchain',
       skipReason: 'invalid-version',
+      commitMessageTopic: 'go toolchain directive',
     });
   });
 
@@ -51,6 +54,7 @@ describe('modules/manager/gomod/line-parser', () => {
       depName: 'go',
       depType: 'toolchain',
       skipReason: 'invalid-version',
+      commitMessageTopic: 'go toolchain directive',
     });
   });
 
diff --git a/lib/modules/manager/gomod/line-parser.ts b/lib/modules/manager/gomod/line-parser.ts
index 2c518257dd5..9f5fbc29aa1 100644
--- a/lib/modules/manager/gomod/line-parser.ts
+++ b/lib/modules/manager/gomod/line-parser.ts
@@ -51,6 +51,7 @@ export function parseLine(input: string): PackageDependency | null {
       depType: 'golang',
       depName: 'go',
       currentValue,
+      commitMessageTopic: 'go module directive',
     };
 
     if (!semver.validRange(currentValue)) {
@@ -69,6 +70,7 @@ export function parseLine(input: string): PackageDependency | null {
       depType: 'toolchain',
       depName: 'go',
       currentValue,
+      commitMessageTopic: 'go toolchain directive',
     };
 
     if (!semver.valid(currentValue)) {