diff --git a/test/getIgnoredUpgradesDueToPeerDeps.test.ts b/test/getIgnoredUpgradesDueToPeerDeps.test.ts
index eef1bf81..758a46c0 100644
--- a/test/getIgnoredUpgradesDueToPeerDeps.test.ts
+++ b/test/getIgnoredUpgradesDueToPeerDeps.test.ts
@@ -1,5 +1,7 @@
 import getIgnoredUpgradesDueToPeerDeps from '../src/lib/getIgnoredUpgradesDueToPeerDeps'
+import { Packument } from '../src/types/Packument'
 import chaiSetup from './helpers/chaiSetup'
+import stubVersions from './helpers/stubVersions'
 
 chaiSetup()
 
@@ -32,13 +34,67 @@ describe('getIgnoredUpgradesDueToPeerDeps', function () {
     })
   })
   it('ignored peer after upgrade', async () => {
+    const stub = stubVersions({
+      '@vitest/ui': {
+        version: '1.6.0',
+        versions: {
+          '1.3.1': {
+            version: '1.3.1',
+          } as Packument,
+          '1.6.0': {
+            version: '1.6.0',
+          } as Packument,
+        },
+      },
+      vitest: {
+        version: '1.6.0',
+        versions: {
+          '1.3.1': {
+            version: '1.3.1',
+          } as Packument,
+          '1.6.0': {
+            version: '1.6.0',
+          } as Packument,
+        },
+      },
+      eslint: {
+        version: '9.0.0',
+        versions: {
+          '8.57.0': {
+            version: '8.57.0',
+          } as Packument,
+          '9.0.0': {
+            version: '9.0.0',
+          } as Packument,
+        },
+      },
+      'eslint-plugin-import': {
+        version: '2.29.1',
+        versions: {
+          '2.29.1': {
+            version: '2.29.1',
+          } as Packument,
+        },
+      },
+      'eslint-plugin-unused-imports': {
+        version: '4.0.0',
+        versions: {
+          '4.0.0': {
+            version: '4.0.0',
+          } as Packument,
+          '3.0.0': {
+            version: '3.0.0',
+          } as Packument,
+        },
+      },
+    })
     const data = await getIgnoredUpgradesDueToPeerDeps(
       {
         '@vitest/ui': '1.3.1',
         vitest: '1.3.1',
         eslint: '8.57.0',
         'eslint-plugin-import': '2.29.1',
-        'eslint-plugin-unused-imports': '^3',
+        'eslint-plugin-unused-imports': '3.0.0',
       },
       {
         '@vitest/ui': '1.6.0',
@@ -67,18 +123,19 @@ describe('getIgnoredUpgradesDueToPeerDeps', function () {
       },
       {
         target: packageName => {
-          return packageName === 'eslint-plugin-unused-imports' ? 'latest' : 'minor'
+          return packageName === 'eslint-plugin-unused-imports' ? 'greatest' : 'minor'
         },
       },
     )
     data.should.deep.equal({
       'eslint-plugin-unused-imports': {
-        from: '^3',
+        from: '3.0.0',
         reason: {
-          'eslint-plugin-unused-imports': 'eslint ^9.0.0',
+          'eslint-plugin-unused-imports': 'eslint 9',
         },
-        to: '^4',
+        to: '4.0.0',
       },
     })
+    stub.restore()
   })
 })
diff --git a/test/getPeerDependenciesFromRegistry.test.ts b/test/getPeerDependenciesFromRegistry.test.ts
index 5d713447..0060726e 100644
--- a/test/getPeerDependenciesFromRegistry.test.ts
+++ b/test/getPeerDependenciesFromRegistry.test.ts
@@ -17,7 +17,7 @@ describe('getPeerDependenciesFromRegistry', function () {
 
   it('single package with range', async () => {
     await chalkInit()
-    const data = await getPeerDependenciesFromRegistry({ 'eslint-plugin-unused-imports': '^4' }, {})
+    const data = await getPeerDependenciesFromRegistry({ 'eslint-plugin-unused-imports': '~4.0.0' }, {})
     data.should.deep.equal({
       'eslint-plugin-unused-imports': {
         '@typescript-eslint/eslint-plugin': '^8.0.0-0',
diff --git a/test/peer.test.ts b/test/peer.test.ts
index 72780404..6070af94 100644
--- a/test/peer.test.ts
+++ b/test/peer.test.ts
@@ -1,6 +1,8 @@
 import path from 'path'
 import ncu from '../src/'
+import { Packument } from '../src/types/Packument'
 import chaiSetup from './helpers/chaiSetup'
+import stubVersions from './helpers/stubVersions'
 
 chaiSetup()
 
@@ -77,26 +79,114 @@ describe('peer dependencies', function () {
   })
 
   it('ignores if post upgrade peers are unmet', async () => {
+    const stub = stubVersions({
+      '@vitest/ui': {
+        version: '1.6.0',
+        versions: {
+          '1.3.1': {
+            version: '1.3.1',
+          } as Packument,
+          '1.6.0': {
+            version: '1.6.0',
+          } as Packument,
+        },
+      },
+      vitest: {
+        version: '1.6.0',
+        versions: {
+          '1.3.1': {
+            version: '1.3.1',
+          } as Packument,
+          '1.6.0': {
+            version: '1.6.0',
+          } as Packument,
+        },
+      },
+      eslint: {
+        version: '9.0.0',
+        versions: {
+          '8.57.0': {
+            version: '8.57.0',
+          } as Packument,
+          '9.0.0': {
+            version: '9.0.0',
+          } as Packument,
+        },
+      },
+      'eslint-plugin-import': {
+        version: '2.29.1',
+        versions: {
+          '2.29.1': {
+            version: '2.29.1',
+          } as Packument,
+        },
+      },
+      'eslint-plugin-unused-imports': {
+        version: '4.0.0',
+        versions: {
+          '4.0.0': {
+            version: '4.0.0',
+          } as Packument,
+          '3.0.0': {
+            version: '3.0.0',
+          } as Packument,
+        },
+      },
+    })
     const cwd = path.join(__dirname, 'test-data/peer-post-upgrade/')
     const upgrades = await ncu({
       cwd,
       peer: true,
       target: packageName => {
-        return packageName === 'eslint-plugin-unused-imports' ? 'latest' : 'minor'
+        return packageName === 'eslint-plugin-unused-imports' ? 'greatest' : 'minor'
       },
     })
     upgrades!.should.have.all.keys('@vitest/ui', 'vitest')
+    stub.restore()
   })
 
   it('ignores if post upgrade peers are unmet - no upgrades', async () => {
+    const stub = stubVersions({
+      eslint: {
+        version: '9.0.0',
+        versions: {
+          '8.57.0': {
+            version: '8.57.0',
+          } as Packument,
+          '9.0.0': {
+            version: '9.0.0',
+          } as Packument,
+        },
+      },
+      'eslint-plugin-import': {
+        version: '2.29.1',
+        versions: {
+          '2.29.1': {
+            version: '2.29.1',
+          } as Packument,
+        },
+      },
+      'eslint-plugin-unused-imports': {
+        version: '4.0.0',
+        versions: {
+          '4.0.0': {
+            version: '4.0.0',
+          } as Packument,
+          '3.0.0': {
+            version: '3.0.0',
+          } as Packument,
+        },
+      },
+    })
     const cwd = path.join(__dirname, 'test-data/peer-post-upgrade-no-upgrades/')
     const upgrades = await ncu({
       cwd,
       peer: true,
       target: packageName => {
-        return packageName === 'eslint-plugin-unused-imports' ? 'latest' : 'minor'
+        return packageName === 'eslint-plugin-unused-imports' ? 'greatest' : 'minor'
       },
     })
     upgrades!.should.deep.equal({})
+    stub.restore()
   })
 })
diff --git a/test/test-data/peer-post-upgrade-no-upgrades/package.json b/test/test-data/peer-post-upgrade-no-upgrades/package.json
index 35883f82..334cdde9 100644
--- a/test/test-data/peer-post-upgrade-no-upgrades/package.json
+++ b/test/test-data/peer-post-upgrade-no-upgrades/package.json
@@ -3,6 +3,6 @@
   "dependencies": {
     "eslint": "8.57.0",
     "eslint-plugin-import": "2.29.1",
-    "eslint-plugin-unused-imports": "^3"
+    "eslint-plugin-unused-imports": "3.0.0"
   }
 }
diff --git a/test/test-data/peer-post-upgrade/package.json b/test/test-data/peer-post-upgrade/package.json
index baca6684..2ee53fb1 100644
--- a/test/test-data/peer-post-upgrade/package.json
+++ b/test/test-data/peer-post-upgrade/package.json
@@ -5,6 +5,6 @@
     "vitest": "1.3.1",
     "eslint": "8.57.0",
     "eslint-plugin-import": "2.29.1",
-    "eslint-plugin-unused-imports": "^3"
+    "eslint-plugin-unused-imports": "3.0.0"
   }
 }