diff --git a/lib/modules/manager/pep621/artifacts.spec.ts b/lib/modules/manager/pep621/artifacts.spec.ts
index c3c3b9bd1bd89d..38603f181c1e66 100644
--- a/lib/modules/manager/pep621/artifacts.spec.ts
+++ b/lib/modules/manager/pep621/artifacts.spec.ts
@@ -127,7 +127,7 @@ requires-python = "<3.9"
             '&& ' +
             'install-tool pdm v2.5.0 ' +
             '&& ' +
-            'pdm update --no-sync dep1' +
+            'pdm update --update-eager --no-sync dep1' +
             '"',
           options: {
             cwd: '/tmp/github/some/repo',
diff --git a/lib/modules/manager/pep621/processors/pdm.spec.ts b/lib/modules/manager/pep621/processors/pdm.spec.ts
index bab8859c79c18b..f53df3c2c241a1 100644
--- a/lib/modules/manager/pep621/processors/pdm.spec.ts
+++ b/lib/modules/manager/pep621/processors/pdm.spec.ts
@@ -89,7 +89,7 @@ describe('modules/manager/pep621/processors/pdm', () => {
             '&& ' +
             'install-tool pdm v2.5.0 ' +
             '&& ' +
-            'pdm update --no-sync dep1' +
+            'pdm update --no-sync --update-eager dep1' +
             '"',
         },
       ]);
@@ -177,16 +177,16 @@ describe('modules/manager/pep621/processors/pdm', () => {
       ]);
       expect(execSnapshots).toMatchObject([
         {
-          cmd: 'pdm update --no-sync dep1 dep2',
+          cmd: 'pdm update --no-sync --update-eager dep1 dep2',
         },
         {
-          cmd: 'pdm update --no-sync -G group1 dep3 dep4',
+          cmd: 'pdm update --no-sync --update-eager -G group1 dep3 dep4',
         },
         {
-          cmd: 'pdm update --no-sync -dG group2 dep5 dep6',
+          cmd: 'pdm update --no-sync --update-eager -dG group2 dep5 dep6',
         },
         {
-          cmd: 'pdm update --no-sync -dG group3 dep7 dep8',
+          cmd: 'pdm update --no-sync --update-eager -dG group3 dep7 dep8',
         },
       ]);
     });
@@ -228,7 +228,7 @@ describe('modules/manager/pep621/processors/pdm', () => {
       ]);
       expect(execSnapshots).toMatchObject([
         {
-          cmd: 'pdm update --no-sync',
+          cmd: 'pdm update --no-sync --update-eager',
           options: {
             cwd: '/tmp/github/some/repo/folder',
           },