diff --git a/src/chocolatey.tests.integration/chocolatey.tests.integration.csproj b/src/chocolatey.tests.integration/chocolatey.tests.integration.csproj
index 4f32cc30ff..c53a33df8b 100644
--- a/src/chocolatey.tests.integration/chocolatey.tests.integration.csproj
+++ b/src/chocolatey.tests.integration/chocolatey.tests.integration.csproj
@@ -13,6 +13,7 @@
     <RootNamespace>chocolatey.tests.integration</RootNamespace>
     <AssemblyName>chocolatey.tests.integration</AssemblyName>
     <TargetFrameworkVersion>v4.8</TargetFrameworkVersion>
+    <LangVersion>7.3</LangVersion>
     <FileAlignment>512</FileAlignment>
     <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\</SolutionDir>
     <OverwriteReadOnlyFiles>true</OverwriteReadOnlyFiles>
diff --git a/src/chocolatey.tests/chocolatey.tests.csproj b/src/chocolatey.tests/chocolatey.tests.csproj
index 6a9d93f206..e37e7d0216 100644
--- a/src/chocolatey.tests/chocolatey.tests.csproj
+++ b/src/chocolatey.tests/chocolatey.tests.csproj
@@ -13,6 +13,7 @@
     <RootNamespace>chocolatey.tests</RootNamespace>
     <AssemblyName>chocolatey.tests</AssemblyName>
     <TargetFrameworkVersion>v4.8</TargetFrameworkVersion>
+    <LangVersion>7.3</LangVersion>
     <FileAlignment>512</FileAlignment>
     <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\</SolutionDir>
     <TargetFrameworkProfile />
diff --git a/src/chocolatey/chocolatey.csproj b/src/chocolatey/chocolatey.csproj
index be3c9cab5d..930bb55242 100644
--- a/src/chocolatey/chocolatey.csproj
+++ b/src/chocolatey/chocolatey.csproj
@@ -12,6 +12,7 @@
     <RootNamespace>chocolatey</RootNamespace>
     <AssemblyName>chocolatey</AssemblyName>
     <TargetFrameworkVersion>v4.8</TargetFrameworkVersion>
+    <LangVersion>7.3</LangVersion>
     <FileAlignment>512</FileAlignment>
     <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\</SolutionDir>
     <TargetFrameworkProfile>