diff --git a/.rnr/bin/rnr-linux-amd64 b/.rnr/bin/rnr-linux-amd64
index d44ffea..1b99c6d 100644
Binary files a/.rnr/bin/rnr-linux-amd64 and b/.rnr/bin/rnr-linux-amd64 differ
diff --git a/.rnr/bin/rnr-macos-amd64 b/.rnr/bin/rnr-macos-amd64
index e750215..def19bb 100644
Binary files a/.rnr/bin/rnr-macos-amd64 and b/.rnr/bin/rnr-macos-amd64 differ
diff --git a/.rnr/bin/rnr-macos-arm64 b/.rnr/bin/rnr-macos-arm64
index 24b8e66..37866f6 100644
Binary files a/.rnr/bin/rnr-macos-arm64 and b/.rnr/bin/rnr-macos-arm64 differ
diff --git a/.rnr/bin/rnr-windows-amd64.exe b/.rnr/bin/rnr-windows-amd64.exe
index 737c280..91835f4 100644
Binary files a/.rnr/bin/rnr-windows-amd64.exe and b/.rnr/bin/rnr-windows-amd64.exe differ
diff --git a/.rnr/bin/rnr-windows-arm64.exe b/.rnr/bin/rnr-windows-arm64.exe
index b82d578..c87e7e5 100644
Binary files a/.rnr/bin/rnr-windows-arm64.exe and b/.rnr/bin/rnr-windows-arm64.exe differ
diff --git a/.rnr/config.yaml b/.rnr/config.yaml
index 3f6f69f..8602770 100644
--- a/.rnr/config.yaml
+++ b/.rnr/config.yaml
@@ -1,4 +1,4 @@
-version: 0.1.0
+version: 0.1.1
 platforms:
 - linux-amd64
 - macos-amd64
diff --git a/rnr b/rnr
index 7b7176d..9d8c731 100644
--- a/rnr
+++ b/rnr
@@ -3,9 +3,11 @@ set -e
 
 # Detect OS
 OS=$(uname -s | tr '[:upper:]' '[:lower:]')
+EXT=""
 case "$OS" in
   linux*) OS="linux" ;;
   darwin*) OS="macos" ;;
+  mingw*|msys*|cygwin*) OS="windows"; EXT=".exe" ;;
   *) echo "Error: Unsupported OS: $OS" >&2; exit 1 ;;
 esac
 
@@ -17,7 +19,7 @@ case "$ARCH" in
   *) echo "Error: Unsupported architecture: $ARCH" >&2; exit 1 ;;
 esac
 
-BINARY="$(dirname "$0")/.rnr/bin/rnr-${OS}-${ARCH}"
+BINARY="$(dirname "$0")/.rnr/bin/rnr-${OS}-${ARCH}${EXT}"
 
 if [ ! -f "$BINARY" ]; then
   echo "Error: rnr is not configured for ${OS}-${ARCH}." >&2