diff --git a/Directory.Build.props b/Directory.Build.props
index 2c47405f..1496b3c3 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -80,7 +80,7 @@
     <PackageReference Include="Roslynator.Analyzers" Version="4.14.1" PrivateAssets="all" />
     <PackageReference Include="Meziantou.Analyzer" Version="2.0.256" PrivateAssets="all" />
     <PackageReference Include="Microsoft.CodeAnalysis.NetAnalyzers" Version="10.0.100" PrivateAssets="all" />
-    <PackageReference Include="AsyncFixer" Version="1.6.0" PrivateAssets="all" />
+    <PackageReference Include="AsyncFixer" Version="2.1.0" PrivateAssets="all" />
     <PackageReference Include="ReflectionAnalyzers" Version="0.3.1" PrivateAssets="all" />
     <PackageReference Include="Nullable.Extended.Analyzer" Version="1.15.6581" PrivateAssets="all" />
   </ItemGroup>
diff --git a/libs/core/packages.lock.json b/libs/core/packages.lock.json
index cc4a3ffd..90d3bb41 100644
--- a/libs/core/packages.lock.json
+++ b/libs/core/packages.lock.json
@@ -4,9 +4,9 @@
     "net8.0": {
       "AsyncFixer": {
         "type": "Direct",
-        "requested": "[1.6.0, )",
-        "resolved": "1.6.0",
-        "contentHash": "/Xfs9H3UMfEv64cwT+C/JrTRp4w08BmPuFbj0ageadCHpx6rxYJxAU2C6sEqRFG22xmGk5cX9ewzoiiehWVHOw=="
+        "requested": "[2.1.0, )",
+        "resolved": "2.1.0",
+        "contentHash": "OOHNlH7GF39qk0Pv4cIQWA99hUh3nujDgGE2nADPpw88lD7s2qwlxEhuJIBfstC8ng3B1yY6SQy2JW/tddlMAQ=="
       },
       "Meziantou.Analyzer": {
         "type": "Direct",
diff --git a/libs/grasshopper/packages.lock.json b/libs/grasshopper/packages.lock.json
index 988a01b6..6248d6e4 100644
--- a/libs/grasshopper/packages.lock.json
+++ b/libs/grasshopper/packages.lock.json
@@ -4,9 +4,9 @@
     "net8.0": {
       "AsyncFixer": {
         "type": "Direct",
-        "requested": "[1.6.0, )",
-        "resolved": "1.6.0",
-        "contentHash": "/Xfs9H3UMfEv64cwT+C/JrTRp4w08BmPuFbj0ageadCHpx6rxYJxAU2C6sEqRFG22xmGk5cX9ewzoiiehWVHOw=="
+        "requested": "[2.1.0, )",
+        "resolved": "2.1.0",
+        "contentHash": "OOHNlH7GF39qk0Pv4cIQWA99hUh3nujDgGE2nADPpw88lD7s2qwlxEhuJIBfstC8ng3B1yY6SQy2JW/tddlMAQ=="
       },
       "Meziantou.Analyzer": {
         "type": "Direct",
diff --git a/libs/rhino/packages.lock.json b/libs/rhino/packages.lock.json
index 9fefae50..f9b9c36b 100644
--- a/libs/rhino/packages.lock.json
+++ b/libs/rhino/packages.lock.json
@@ -4,9 +4,9 @@
     "net8.0": {
       "AsyncFixer": {
         "type": "Direct",
-        "requested": "[1.6.0, )",
-        "resolved": "1.6.0",
-        "contentHash": "/Xfs9H3UMfEv64cwT+C/JrTRp4w08BmPuFbj0ageadCHpx6rxYJxAU2C6sEqRFG22xmGk5cX9ewzoiiehWVHOw=="
+        "requested": "[2.1.0, )",
+        "resolved": "2.1.0",
+        "contentHash": "OOHNlH7GF39qk0Pv4cIQWA99hUh3nujDgGE2nADPpw88lD7s2qwlxEhuJIBfstC8ng3B1yY6SQy2JW/tddlMAQ=="
       },
       "Meziantou.Analyzer": {
         "type": "Direct",
diff --git a/test/core/packages.lock.json b/test/core/packages.lock.json
index cffc5622..db9acc62 100644
--- a/test/core/packages.lock.json
+++ b/test/core/packages.lock.json
@@ -4,9 +4,9 @@
     "net8.0": {
       "AsyncFixer": {
         "type": "Direct",
-        "requested": "[1.6.0, )",
-        "resolved": "1.6.0",
-        "contentHash": "/Xfs9H3UMfEv64cwT+C/JrTRp4w08BmPuFbj0ageadCHpx6rxYJxAU2C6sEqRFG22xmGk5cX9ewzoiiehWVHOw=="
+        "requested": "[2.1.0, )",
+        "resolved": "2.1.0",
+        "contentHash": "OOHNlH7GF39qk0Pv4cIQWA99hUh3nujDgGE2nADPpw88lD7s2qwlxEhuJIBfstC8ng3B1yY6SQy2JW/tddlMAQ=="
       },
       "coverlet.collector": {
         "type": "Direct",
diff --git a/test/rhino/packages.lock.json b/test/rhino/packages.lock.json
index 86a7428c..c1d0647b 100644
--- a/test/rhino/packages.lock.json
+++ b/test/rhino/packages.lock.json
@@ -4,9 +4,9 @@
     "net8.0": {
       "AsyncFixer": {
         "type": "Direct",
-        "requested": "[1.6.0, )",
-        "resolved": "1.6.0",
-        "contentHash": "/Xfs9H3UMfEv64cwT+C/JrTRp4w08BmPuFbj0ageadCHpx6rxYJxAU2C6sEqRFG22xmGk5cX9ewzoiiehWVHOw=="
+        "requested": "[2.1.0, )",
+        "resolved": "2.1.0",
+        "contentHash": "OOHNlH7GF39qk0Pv4cIQWA99hUh3nujDgGE2nADPpw88lD7s2qwlxEhuJIBfstC8ng3B1yY6SQy2JW/tddlMAQ=="
       },
       "Meziantou.Analyzer": {
         "type": "Direct",
diff --git a/test/shared/packages.lock.json b/test/shared/packages.lock.json
index 0ca91d1e..d7937e81 100644
--- a/test/shared/packages.lock.json
+++ b/test/shared/packages.lock.json
@@ -4,9 +4,9 @@
     "net8.0": {
       "AsyncFixer": {
         "type": "Direct",
-        "requested": "[1.6.0, )",
-        "resolved": "1.6.0",
-        "contentHash": "/Xfs9H3UMfEv64cwT+C/JrTRp4w08BmPuFbj0ageadCHpx6rxYJxAU2C6sEqRFG22xmGk5cX9ewzoiiehWVHOw=="
+        "requested": "[2.1.0, )",
+        "resolved": "2.1.0",
+        "contentHash": "OOHNlH7GF39qk0Pv4cIQWA99hUh3nujDgGE2nADPpw88lD7s2qwlxEhuJIBfstC8ng3B1yY6SQy2JW/tddlMAQ=="
       },
       "CsCheck": {
         "type": "Direct",