diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 0fcf13b..7e8a499 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -11,9 +11,10 @@ jobs:
     runs-on: windows-latest
     steps:
       - name: Set up JDK 11
-        uses: actions/setup-java@v1
+        uses: actions/setup-java@v4
         with:
-          java-version: 1.11
+          distribution: 'temurin'
+          java-version: 17
       - uses: actions/checkout@v2
         with:
           fetch-depth: 0  # Shallow clones should be disabled for a better relevancy of analysis
diff --git a/.github/workflows/codacy.yml b/.github/workflows/codacy.yml
index dc4030b..d10e4be 100644
--- a/.github/workflows/codacy.yml
+++ b/.github/workflows/codacy.yml
@@ -36,11 +36,11 @@ jobs:
     steps:
       # Checkout the repository to the GitHub Actions runner
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@main
 
       # Execute Codacy Analysis CLI and generate a SARIF output with the security issues identified during the analysis
       - name: Run Codacy Analysis CLI
-        uses: codacy/codacy-analysis-cli-action@d840f886c4bd4edc059706d09c6a1586111c540b
+        uses: codacy/codacy-analysis-cli-action@master
         with:
           # Check https://github.com/codacy/codacy-analysis-cli#project-token to get your project token from your Codacy repository
           # You can also omit the token and run the tools that support default configurations
diff --git a/.github/workflows/securitycodescan.yml b/.github/workflows/securitycodescan.yml
index 259f0c8..37b1e71 100644
--- a/.github/workflows/securitycodescan.yml
+++ b/.github/workflows/securitycodescan.yml
@@ -21,12 +21,12 @@ jobs:
   SCS:
     runs-on: windows-latest
     steps:
-      - uses: actions/checkout@v3
-      - uses: nuget/setup-nuget@04b0c2b8d1b97922f67eca497d7cf0bf17b8ffe1
+      - uses: actions/checkout@master
+      - uses: nuget/setup-nuget@v1
       - uses: microsoft/setup-msbuild@v1.0.2
       
       - name: Set up projects for analysis
-        uses: security-code-scan/security-code-scan-add-action@f8ff4f2763ed6f229eded80b1f9af82ae7f32a0d
+        uses: security-code-scan/security-code-scan-add-action@main
         
       - name: Restore dependencies	
         run: dotnet restore src
@@ -35,7 +35,7 @@ jobs:
         run: dotnet build --no-restore src
 
       - name: Convert sarif for uploading to GitHub
-        uses: security-code-scan/security-code-scan-results-action@cdb3d5e639054395e45bf401cba8688fcaf7a687
+        uses: security-code-scan/security-code-scan-results-action@main
 
       - name: Upload sarif
         uses: github/codeql-action/upload-sarif@v2
diff --git a/src/ConsoleApplication/ConsoleApplication.csproj b/src/ConsoleApplication/ConsoleApplication.csproj
index cf31089..027c216 100644
--- a/src/ConsoleApplication/ConsoleApplication.csproj
+++ b/src/ConsoleApplication/ConsoleApplication.csproj
@@ -2,7 +2,7 @@
 
 	<PropertyGroup>
 		<OutputType>Exe</OutputType>
-		<TargetFrameworks>net462;net47;net48;netcoreapp3.1;net6.0;net8.0</TargetFrameworks>
+		<TargetFrameworks>net462;net47;net48;net6.0;net8.0</TargetFrameworks>
 		<TargetFrameworks Condition="'$(OS)' != 'Windows_NT'">net8.0</TargetFrameworks>
 		<ImplicitUsings>disable</ImplicitUsings>
 		<SignAssembly>True</SignAssembly>
diff --git a/src/System.Net.IPNetwork/IPNetwork2.cs b/src/System.Net.IPNetwork/IPNetwork2.cs
index 000412d..e1b8854 100644
--- a/src/System.Net.IPNetwork/IPNetwork2.cs
+++ b/src/System.Net.IPNetwork/IPNetwork2.cs
@@ -615,8 +615,8 @@ private static void InternalParse(bool tryParse, string network, ICidrGuess cidr
 
             if (sanitanize)
             {
-                network = Regex.Replace(network, @"[^0-9a-fA-F\.\/\s\:]+", string.Empty);
-                network = Regex.Replace(network, @"\s{2,}", " ");
+                network = Regex.Replace(network, @"[^0-9a-fA-F\.\/\s\:]+", string.Empty, RegexOptions.None, TimeSpan.FromMilliseconds(100));
+                network = Regex.Replace(network, @"\s{2,}", " ", RegexOptions.None, TimeSpan.FromMilliseconds(100));
                 network = network.Trim();
             }
 
diff --git a/src/System.Net.IPNetwork/System.Net.IPNetwork.csproj b/src/System.Net.IPNetwork/System.Net.IPNetwork.csproj
index 1c752b4..c7c53dc 100644
--- a/src/System.Net.IPNetwork/System.Net.IPNetwork.csproj
+++ b/src/System.Net.IPNetwork/System.Net.IPNetwork.csproj
@@ -1,8 +1,8 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-	  <TargetFrameworks>netstandard2.0;netstandard2.1;net462;net47;net48;netcoreapp3.1;net6.0;net8.0</TargetFrameworks>
-    <TargetFrameworks Condition="'$(OS)' != 'Windows_NT'">netstandard2.0;netstandard2.1;netcoreapp3.1;net6.0;net8.0</TargetFrameworks> 
+	  <TargetFrameworks>netstandard2.0;netstandard2.1;net462;net47;net48;net6.0;net8.0</TargetFrameworks>
+    <TargetFrameworks Condition="'$(OS)' != 'Windows_NT'">netstandard2.0;netstandard2.1;net6.0;net8.0</TargetFrameworks> 
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
 	  <PackageId>IPNetwork2</PackageId>
     <PackageVersion>3.0.0</PackageVersion>
diff --git a/src/TestProject/TestProject.csproj b/src/TestProject/TestProject.csproj
index ae35c2f..06e4d60 100644
--- a/src/TestProject/TestProject.csproj
+++ b/src/TestProject/TestProject.csproj
@@ -1,13 +1,11 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-	  <TargetFrameworks>net462;net47;net48;netcoreapp3.1;net6.0;net8.0</TargetFrameworks>
+	  <TargetFrameworks>net462;net47;net48;net6.0;net8.0</TargetFrameworks>
 	  <TargetFrameworks Condition="'$(OS)' != 'Windows_NT'">net8.0</TargetFrameworks>
 
-
 	  <IsPackable>false</IsPackable>
 
-
 	  <SignAssembly>True</SignAssembly>
 	  <SignAssembly Condition="'$(OS)' != 'Windows_NT'">false</SignAssembly>
 
@@ -32,14 +30,6 @@
     <DefineConstants>$(DefineConstants)TRACE;TRAVISCI</DefineConstants>
   </PropertyGroup>
 
-  <PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Debug|netcoreapp3.1|AnyCPU'">
-    <DefineConstants>$(DefineConstants)TRACE;TRAVISCI</DefineConstants>
-  </PropertyGroup>
-
-  <PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Release|netcoreapp3.1|AnyCPU'">
-    <DefineConstants>$(DefineConstants)TRACE;TRAVISCI</DefineConstants>
-  </PropertyGroup>
-
   <PropertyGroup Condition="'$(Configuration)|$(TargetFramework)|$(Platform)'=='Debug|net7.0|AnyCPU'">
     <DefineConstants>$(DefineConstants)TRACE;TRAVISCI</DefineConstants>
   </PropertyGroup>