diff --git a/manifests/Kitware/CMake/3.17.2.Yaml b/manifests/Kitware/CMake/3.17.2.Yaml
deleted file mode 100644
index c3fa45cc5..000000000
--- a/manifests/Kitware/CMake/3.17.2.Yaml
+++ /dev/null
@@ -1,14 +0,0 @@
-Id: Kitware.CMake
-Version: 3.17.2
-Name: CMake
-Publisher: Kitware
-Homepage: https://github.com/Kitware/CMake
-License: Copyright 2000-2020 Kitware, Inc. and Contributors
-Description: CMake is a cross-platform, open-source build system generator.
-AppMoniker: cmake
-LicenseUrl: https://github.com/Kitware/CMake/blob/master/Copyright.txt
-Installers: 
-    - Arch: x64
-      Url: https://github.com/Kitware/CMake/releases/download/v3.17.2/cmake-3.17.2-win64-x64.msi
-      InstallerType: Msi
-      Sha256: 06E999BE9E50F9D33945AEAE698B9B83678C3F98CEDB3139A84E19636D2F6433
diff --git a/manifests/Kitware/CMake/3.20.0-rc3.yaml b/manifests/Kitware/CMake/3.20.0-rc3.yaml
new file mode 100644
index 000000000..fd53bf148
--- /dev/null
+++ b/manifests/Kitware/CMake/3.20.0-rc3.yaml
@@ -0,0 +1,14 @@
+Id: Kitware.CMake
+Version: 3.20.0-rc3
+Name: CMake
+Publisher: Kitware
+Homepage: https://github.com/Kitware/CMake
+License: Copyright 2000-2020 Kitware, Inc. and Contributors
+Description: CMake is a cross-platform, open-source build system generator.
+AppMoniker: cmake
+LicenseUrl: https://raw.githubusercontent.com/Kitware/CMake/v3.20.0-rc3/Copyright.txt
+Installers:
+  - Arch: x64
+    Url: https://github.com/Kitware/CMake/releases/download/v3.20.0-rc3/cmake-3.20.0-rc3-windows-x86_64.msi
+    Sha256: f56924a12240d794fd9254a54a297fb6616aae984206dd5a9ad4506113492ac8
+    InstallerType: msi