diff --git a/build.sh b/build.sh
index 7d33c31..6602970 100755
--- a/build.sh
+++ b/build.sh
@@ -13,7 +13,7 @@ echo "Building BitBetter for BitWarden version $BW_VERSION"
 
 cp "$DIR/.keys/cert.cert" "$DIR/src/bitBetter/.keys"
 
-docker run --rm -v "$DIR/src/bitBetter:/bitBetter" -w=/bitBetter mcr.microsoft.com/dotnet/core/sdk:3.1 sh build.sh
+docker run --rm -v "$DIR/src/bitBetter:/bitBetter" -w=/bitBetter mcr.microsoft.com/dotnet/sdk:5.0 sh build.sh
 
 docker build --no-cache --build-arg BITWARDEN_TAG=bitwarden/api:$BW_VERSION --label com.bitwarden.product="bitbetter" -t bitbetter/api "$DIR/src/bitBetter" # --squash
 docker build --no-cache --build-arg BITWARDEN_TAG=bitwarden/identity:$BW_VERSION --label com.bitwarden.product="bitbetter" -t bitbetter/identity "$DIR/src/bitBetter" # --squash
diff --git a/src/bitBetter/Dockerfile b/src/bitBetter/Dockerfile
index 7437a58..03ffe03 100644
--- a/src/bitBetter/Dockerfile
+++ b/src/bitBetter/Dockerfile
@@ -1,7 +1,7 @@
 ARG BITWARDEN_TAG
 FROM ${BITWARDEN_TAG}
 
-COPY bin/Debug/netcoreapp3.1/publish/* /bitBetter/
+COPY bin/Debug/netcoreapp5.0/publish/* /bitBetter/
 COPY ./.keys/cert.cert /newLicensing.cer
 
 RUN set -e; set -x; \
diff --git a/src/bitBetter/bitBetter.csproj b/src/bitBetter/bitBetter.csproj
index 3d297a1..168d4f1 100644
--- a/src/bitBetter/bitBetter.csproj
+++ b/src/bitBetter/bitBetter.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>netcoreapp5.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/src/licenseGen/Dockerfile b/src/licenseGen/Dockerfile
index b0a6665..217037c 100644
--- a/src/licenseGen/Dockerfile
+++ b/src/licenseGen/Dockerfile
@@ -1,4 +1,4 @@
-FROM mcr.microsoft.com/dotnet/core/sdk:3.1 as build
+FROM mcr.microsoft.com/dotnet/sdk:5.0 as build
 
 WORKDIR /licenseGen
 
@@ -12,6 +12,6 @@ RUN set -e; set -x; \
 
 FROM bitbetter/api
 
-COPY --from=build /licenseGen/bin/Debug/netcoreapp3.1/publish/* /app/
+COPY --from=build /licenseGen/bin/Debug/netcoreapp5.0/publish/* /app/
 
 ENTRYPOINT [ "dotnet", "/app/licenseGen.dll", "--core", "/app/Core.dll", "--cert", "/cert.pfx" ]
diff --git a/src/licenseGen/licenseGen.csproj b/src/licenseGen/licenseGen.csproj
index 79e4bc9..cc7387b 100644
--- a/src/licenseGen/licenseGen.csproj
+++ b/src/licenseGen/licenseGen.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>netcoreapp5.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>