diff --git a/.github/workflows/app_build.yml b/.github/workflows/app_build.yml
index c28a388af..e53c487f2 100644
--- a/.github/workflows/app_build.yml
+++ b/.github/workflows/app_build.yml
@@ -218,6 +218,7 @@ jobs:
 
         # ----- Configure Keychain -----
         KEYCHAIN_PATH=$RUNNER_TEMP/app-signing.keychain-db
+        rm -f $KEYCHAIN_PATH
         security create-keychain -p "${{ secrets.MACOS_KEYCHAIN_PASSWORD }}" $KEYCHAIN_PATH
         # Unlock it for 6 hours
         security set-keychain-settings -lut 21600 $KEYCHAIN_PATH
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 09c5b361e..0d0de3a9a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -16,7 +16,7 @@ if(CCACHE_PROGRAM)
   set(CMAKE_C_COMPILER_LAUNCHER ${CCACHE_PROGRAM} CACHE FILEPATH "C compiler cache used")
 endif()
 
-project(OpenStudioApplication VERSION 1.9.0)
+project(OpenStudioApplication VERSION 1.10.0)
 
 # Check system info globally so we can use it everywhere after: Has to be done before FindOpenStudioSDK.cmake
 if(APPLE)
@@ -272,7 +272,7 @@ endif()
 
 # TODO: Modify the more specific variables as needed to indicate prerelease, etc
 # Keep in beta in-between release cycles. Set to empty string (or comment out) for official)
-set(PROJECT_VERSION_PRERELEASE "")
+set(PROJECT_VERSION_PRERELEASE "rc1")
 
 # OpenStudio version: Only include Major.Minor.Patch, eg "3.0.0", even if you have a prerelease tag
 set(OPENSTUDIOAPPLICATION_VERSION "${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}.${PROJECT_VERSION_PATCH}")