diff --git a/csharp/autobuilder/Semmle.Autobuild.Tests/Semmle.Autobuild.Tests.csproj b/csharp/autobuilder/Semmle.Autobuild.Tests/Semmle.Autobuild.Tests.csproj
index b337210e74e..ef4a016e20b 100644
--- a/csharp/autobuilder/Semmle.Autobuild.Tests/Semmle.Autobuild.Tests.csproj
+++ b/csharp/autobuilder/Semmle.Autobuild.Tests/Semmle.Autobuild.Tests.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>netcoreapp2.2</TargetFramework>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
   </PropertyGroup>
 
diff --git a/csharp/autobuilder/Semmle.Autobuild/Semmle.Autobuild.csproj b/csharp/autobuilder/Semmle.Autobuild/Semmle.Autobuild.csproj
index 1875cdceaa5..089369c38e3 100644
--- a/csharp/autobuilder/Semmle.Autobuild/Semmle.Autobuild.csproj
+++ b/csharp/autobuilder/Semmle.Autobuild/Semmle.Autobuild.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp2.2</TargetFramework>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
     <AssemblyName>Semmle.Autobuild</AssemblyName>
     <RootNamespace>Semmle.Autobuild</RootNamespace>
     <ApplicationIcon />
diff --git a/csharp/extractor/Semmle.Extraction.CIL.Driver/Semmle.Extraction.CIL.Driver.csproj b/csharp/extractor/Semmle.Extraction.CIL.Driver/Semmle.Extraction.CIL.Driver.csproj
index 4261f0151c0..a11aeefa7ae 100644
--- a/csharp/extractor/Semmle.Extraction.CIL.Driver/Semmle.Extraction.CIL.Driver.csproj
+++ b/csharp/extractor/Semmle.Extraction.CIL.Driver/Semmle.Extraction.CIL.Driver.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>netcoreapp2.2</TargetFramework>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
     <AssemblyName>Semmle.Extraction.CIL.Driver</AssemblyName>
     <RootNamespace>Semmle.Extraction.CIL.Driver</RootNamespace>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
diff --git a/csharp/extractor/Semmle.Extraction.CIL/Semmle.Extraction.CIL.csproj b/csharp/extractor/Semmle.Extraction.CIL/Semmle.Extraction.CIL.csproj
index d765a3ba281..131c49c845b 100644
--- a/csharp/extractor/Semmle.Extraction.CIL/Semmle.Extraction.CIL.csproj
+++ b/csharp/extractor/Semmle.Extraction.CIL/Semmle.Extraction.CIL.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp2.2</TargetFramework>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
     <AssemblyName>Semmle.Extraction.CIL</AssemblyName>
     <RootNamespace>Semmle.Extraction.CIL</RootNamespace>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
diff --git a/csharp/extractor/Semmle.Extraction.CSharp.Driver/Semmle.Extraction.CSharp.Driver.csproj b/csharp/extractor/Semmle.Extraction.CSharp.Driver/Semmle.Extraction.CSharp.Driver.csproj
index f6f633c0932..9113890ddf7 100644
--- a/csharp/extractor/Semmle.Extraction.CSharp.Driver/Semmle.Extraction.CSharp.Driver.csproj
+++ b/csharp/extractor/Semmle.Extraction.CSharp.Driver/Semmle.Extraction.CSharp.Driver.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>netcoreapp2.2</TargetFramework>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
     <AssemblyName>Semmle.Extraction.CSharp.Driver</AssemblyName>
     <RootNamespace>Semmle.Extraction.CSharp.Driver</RootNamespace>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
diff --git a/csharp/extractor/Semmle.Extraction.CSharp.Standalone/Semmle.Extraction.CSharp.Standalone.csproj b/csharp/extractor/Semmle.Extraction.CSharp.Standalone/Semmle.Extraction.CSharp.Standalone.csproj
index 55525ba56a5..5277e352f4c 100644
--- a/csharp/extractor/Semmle.Extraction.CSharp.Standalone/Semmle.Extraction.CSharp.Standalone.csproj
+++ b/csharp/extractor/Semmle.Extraction.CSharp.Standalone/Semmle.Extraction.CSharp.Standalone.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>netcoreapp2.2</TargetFramework>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
     <AssemblyName>Semmle.Extraction.CSharp.Standalone</AssemblyName>
     <RootNamespace>Semmle.Extraction.CSharp.Standalone</RootNamespace>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
diff --git a/csharp/extractor/Semmle.Extraction.CSharp/Semmle.Extraction.CSharp.csproj b/csharp/extractor/Semmle.Extraction.CSharp/Semmle.Extraction.CSharp.csproj
index 32914f5e77d..d3a086fec1d 100644
--- a/csharp/extractor/Semmle.Extraction.CSharp/Semmle.Extraction.CSharp.csproj
+++ b/csharp/extractor/Semmle.Extraction.CSharp/Semmle.Extraction.CSharp.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp2.2</TargetFramework>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
     <AssemblyName>Semmle.Extraction.CSharp</AssemblyName>
     <RootNamespace>Semmle.Extraction.CSharp</RootNamespace>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
diff --git a/csharp/extractor/Semmle.Extraction.Tests/Semmle.Extraction.Tests.csproj b/csharp/extractor/Semmle.Extraction.Tests/Semmle.Extraction.Tests.csproj
index 862647a66c4..b003709e37a 100644
--- a/csharp/extractor/Semmle.Extraction.Tests/Semmle.Extraction.Tests.csproj
+++ b/csharp/extractor/Semmle.Extraction.Tests/Semmle.Extraction.Tests.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>netcoreapp2.2</TargetFramework>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
   </PropertyGroup>
 
diff --git a/csharp/extractor/Semmle.Extraction/Semmle.Extraction.csproj b/csharp/extractor/Semmle.Extraction/Semmle.Extraction.csproj
index 9b10c71e888..192c14230ee 100644
--- a/csharp/extractor/Semmle.Extraction/Semmle.Extraction.csproj
+++ b/csharp/extractor/Semmle.Extraction/Semmle.Extraction.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp2.2</TargetFramework>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
     <AssemblyName>Semmle.Extraction</AssemblyName>
     <RootNamespace>Semmle.Extraction</RootNamespace>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
diff --git a/csharp/extractor/Semmle.Util.Tests/Semmle.Util.Tests.csproj b/csharp/extractor/Semmle.Util.Tests/Semmle.Util.Tests.csproj
index 888950d8a0a..45f28343e67 100644
--- a/csharp/extractor/Semmle.Util.Tests/Semmle.Util.Tests.csproj
+++ b/csharp/extractor/Semmle.Util.Tests/Semmle.Util.Tests.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>netcoreapp2.2</TargetFramework>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
   </PropertyGroup>
 
diff --git a/csharp/extractor/Semmle.Util/Semmle.Util.csproj b/csharp/extractor/Semmle.Util/Semmle.Util.csproj
index 624deadaa17..4d35dcae079 100644
--- a/csharp/extractor/Semmle.Util/Semmle.Util.csproj
+++ b/csharp/extractor/Semmle.Util/Semmle.Util.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp2.2</TargetFramework>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
     <AssemblyName>Semmle.Util</AssemblyName>
     <RootNamespace>Semmle.Util</RootNamespace>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>