diff --git a/images/linux/scripts/installers/dotnetcore-sdk.sh b/images/linux/scripts/installers/dotnetcore-sdk.sh
index ff966cd28..31210b6ef 100644
--- a/images/linux/scripts/installers/dotnetcore-sdk.sh
+++ b/images/linux/scripts/installers/dotnetcore-sdk.sh
@@ -9,15 +9,9 @@ source $HELPER_SCRIPTS/install.sh
 source $HELPER_SCRIPTS/os.sh
 
 # Ubuntu 20 doesn't support EOL versions
-if isUbuntu20 ; then
-    LATEST_DOTNET_PACKAGES=("dotnet-sdk-3.1")
-    release_urls=("https://dotnetcli.blob.core.windows.net/dotnet/release-metadata/2.1/releases.json" "https://dotnetcli.blob.core.windows.net/dotnet/release-metadata/3.1/releases.json")
-fi
-
-if isUbuntu16 || isUbuntu18 ; then
-    LATEST_DOTNET_PACKAGES=("dotnet-sdk-3.0" "dotnet-sdk-3.1")
-    release_urls=("https://dotnetcli.blob.core.windows.net/dotnet/release-metadata/2.1/releases.json" "https://dotnetcli.blob.core.windows.net/dotnet/release-metadata/3.0/releases.json" "https://dotnetcli.blob.core.windows.net/dotnet/release-metadata/3.1/releases.json")
-fi
+toolset="$INSTALLER_SCRIPT_FOLDER/toolset.json"
+LATEST_DOTNET_PACKAGES=$(jq -r '.dotnet.aptPackages[]' $toolset)
+versions=$(jq -r '.dotnet.versions[]' $toolset)
 
 mksamples()
 {
@@ -50,7 +44,8 @@ done
 
 # Get list of all released SDKs from channels which are not end-of-life or preview
 sdks=()
-for release_url in ${release_urls[@]}; do
+for version in ${versions[@]}; do
+    release_url="https://dotnetcli.blob.core.windows.net/dotnet/release-metadata/${version}/releases.json"
     echo "${release_url}"
     releases=$(curl "${release_url}")
     sdks=("${sdks[@]}" $(echo "${releases}" | jq '.releases[]' | jq '.sdk.version'))
diff --git a/images/linux/toolsets/toolset-1604.json b/images/linux/toolsets/toolset-1604.json
index 1c5ff5320..4708718bb 100644
--- a/images/linux/toolsets/toolset-1604.json
+++ b/images/linux/toolsets/toolset-1604.json
@@ -188,5 +188,16 @@
             "node:12-alpine",
             "ubuntu:14.04"
         ]
+    },
+    "dotnet": {
+        "aptPackages": [
+            "dotnet-sdk-3.0",
+            "dotnet-sdk-3.1"
+        ],
+        "versions": [
+            "2.1",
+            "3.0",
+            "3.1"
+        ]
     }
 }
diff --git a/images/linux/toolsets/toolset-1804.json b/images/linux/toolsets/toolset-1804.json
index 226dd190a..d3a94212c 100644
--- a/images/linux/toolsets/toolset-1804.json
+++ b/images/linux/toolsets/toolset-1804.json
@@ -192,5 +192,16 @@
             "package": "aws-sam-cli",
             "cmd": "sam"
         }
-    ]
+    ],
+    "dotnet": {
+        "aptPackages": [
+            "dotnet-sdk-3.0",
+            "dotnet-sdk-3.1"
+        ],
+        "versions": [
+            "2.1",
+            "3.0",
+            "3.1"
+        ]
+    }
 }
diff --git a/images/linux/toolsets/toolset-2004.json b/images/linux/toolsets/toolset-2004.json
index 76f2af421..b4c17da09 100644
--- a/images/linux/toolsets/toolset-2004.json
+++ b/images/linux/toolsets/toolset-2004.json
@@ -166,5 +166,14 @@
             "package": "aws-sam-cli",
             "cmd": "sam"
         }
-    ]
+    ],
+    "dotnet": {
+        "aptPackages": [
+            "dotnet-sdk-3.1"
+        ],
+        "versions": [
+            "2.1",
+            "3.1"
+        ]
+    }
 }