diff --git a/lib/modules/manager/npm/update/locked-dependency/yarn-lock/replace.spec.ts b/lib/modules/manager/npm/update/locked-dependency/yarn-lock/replace.spec.ts
index 2145c20d1ec293d116b9e290a6f5c5b084fec0c9..a23c334d81a8dbe117b515786d7923a9f23aae4e 100644
--- a/lib/modules/manager/npm/update/locked-dependency/yarn-lock/replace.spec.ts
+++ b/lib/modules/manager/npm/update/locked-dependency/yarn-lock/replace.spec.ts
@@ -32,7 +32,7 @@ describe('modules/manager/npm/update/locked-dependency/yarn-lock/replace', () =>
       expect(addedSections).toHaveLength(1);
       expect(removedSections).toHaveLength(1);
       expect(addedSections[0].value).toMatchInlineSnapshot(`
-        "  version: \\"0.2.5\\"
+        "  version \\"0.2.5\\"
         "
       `);
       expect(removedSections[0].value).toMatchInlineSnapshot(`
@@ -57,7 +57,7 @@ describe('modules/manager/npm/update/locked-dependency/yarn-lock/replace', () =>
       expect(addedSections).toHaveLength(1);
       expect(removedSections).toHaveLength(1);
       expect(addedSections[0].value).toMatchInlineSnapshot(`
-              "  version: \\"4.4.0\\"
+              "  version \\"4.4.0\\"
               "
           `);
       expect(removedSections[0].value).toMatchInlineSnapshot(`
@@ -84,7 +84,7 @@ describe('modules/manager/npm/update/locked-dependency/yarn-lock/replace', () =>
       expect(removedSections).toHaveLength(1);
       expect(addedSections[0].value).toMatchInlineSnapshot(`
                   "express@4.4.0:
-                    version: \\"4.4.0\\"
+                    version \\"4.4.0\\"
                   "
               `);
       expect(removedSections[0].value).toMatchInlineSnapshot(`
@@ -110,7 +110,7 @@ describe('modules/manager/npm/update/locked-dependency/yarn-lock/replace', () =>
       expect(addedSections).toHaveLength(1);
       expect(removedSections).toHaveLength(1);
       expect(addedSections[0].value).toMatchInlineSnapshot(`
-        "  version: \\"2.2.0\\"
+        "  version \\"2.2.0\\"
         "
       `);
       expect(removedSections[0].value).toMatchInlineSnapshot(`
@@ -136,7 +136,7 @@ describe('modules/manager/npm/update/locked-dependency/yarn-lock/replace', () =>
       expect(addedSections).toHaveLength(1);
       expect(removedSections).toHaveLength(1);
       expect(addedSections[0].value).toMatchInlineSnapshot(`
-        "  version: \\"0.48.1\\"
+        "  version \\"0.48.1\\"
         "
       `);
       expect(removedSections[0].value).toMatchInlineSnapshot(`
diff --git a/lib/modules/manager/npm/update/locked-dependency/yarn-lock/replace.ts b/lib/modules/manager/npm/update/locked-dependency/yarn-lock/replace.ts
index 08f1046722b049944d2b788357692da4186829e5..b97e12b020b122d570469792135d6888c6974205 100644
--- a/lib/modules/manager/npm/update/locked-dependency/yarn-lock/replace.ts
+++ b/lib/modules/manager/npm/update/locked-dependency/yarn-lock/replace.ts
@@ -35,6 +35,6 @@ export function replaceConstraintVersion(
   }
   return lockFileContent.replace(
     regEx(matchString),
-    `${constraintLine}  version: "${newVersion}"\n$5`
+    `${constraintLine}  version "${newVersion}"\n$5`
   );
 }