diff --git a/.binder/Dockerfile b/.binder/Dockerfile
index 119e61cf..bea0126a 100644
--- a/.binder/Dockerfile
+++ b/.binder/Dockerfile
@@ -22,7 +22,7 @@ ENV \
     # Skip extraction of XML docs - generally not useful within an image/container - helps performance
     NUGET_XMLDOC_MODE=skip \
     # Opt out of telemetry until after we install jupyter when building the image, this prevents caching of machine id
-    DOTNET_TRY_CLI_TELEMETRY_OPTOUT=true
+    DOTNET_INTERACTIVE_CLI_TELEMETRY_OPTOUT=true
 
 # Install .NET CLI dependencies
 RUN apt-get update \
@@ -39,11 +39,11 @@ RUN apt-get update \
 # Install .NET Core SDK
 
 # When updating the SDK version, the sha512 value a few lines down must also be updated.
-ENV DOTNET_SDK_VERSION 3.1.301
+ENV DOTNET_SDK_VERSION 5.0.102
 
-RUN dotnet_sdk_version=3.1.301 \
+RUN dotnet_sdk_version=5.0.102 \
     && curl -SL --output dotnet.tar.gz https://dotnetcli.azureedge.net/dotnet/Sdk/$dotnet_sdk_version/dotnet-sdk-$dotnet_sdk_version-linux-x64.tar.gz \
-    && dotnet_sha512='dd39931df438b8c1561f9a3bdb50f72372e29e5706d3fb4c490692f04a3d55f5acc0b46b8049bc7ea34dedba63c71b4c64c57032740cbea81eef1dce41929b4e' \
+    && dotnet_sha512='0ce2d5365ca39808fb71baec4584d4ec786491c3735543dc93244604ea97e242377d0987cd8b1e529258dee68f203b5780559201e7ea6d84487d6d8d433329b3' \
     && echo "$dotnet_sha512 dotnet.tar.gz" | sha512sum -c - \
     && mkdir -p /usr/share/dotnet \
     && tar -ozxf dotnet.tar.gz -C /usr/share/dotnet \
@@ -57,19 +57,19 @@ RUN dotnet_sdk_version=3.1.301 \
 COPY ./notebooks/ ${HOME}/notebooks/
 
 # Copy package sources
-
 COPY ./.binder/NuGet.config ${HOME}/nuget.config
 
 RUN chown -R ${NB_UID} ${HOME}
 USER ${USER}
 
-#Install nteract 
+
+# Install nteract 
 RUN pip install nteract_on_jupyter
 
 # Install lastest build from master branch of Microsoft.DotNet.Interactive
 #RUN dotnet tool install -g Microsoft.dotnet-interactive --add-source "https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-tools/nuget/v3/index.json"
 
-#latest stable from nuget.org
+# Latest stable from nuget.org
 RUN dotnet tool install -g Microsoft.dotnet-interactive --add-source "https://api.nuget.org/v3/index.json"
 
 ENV PATH="${PATH}:${HOME}/.dotnet/tools"
@@ -79,8 +79,7 @@ RUN echo "$PATH"
 RUN dotnet interactive jupyter install
 
 # Enable telemetry once we install jupyter for the image
-ENV DOTNET_TRY_CLI_TELEMETRY_OPTOUT=false
+ENV DOTNET_INTERACTIVE_CLI_TELEMETRY_OPTOUT=false
 
 # Set root to notebooks
-WORKDIR ${HOME}/notebooks/
-
+WORKDIR ${HOME}/notebooks/
\ No newline at end of file