diff --git a/CMakeLists.txt b/CMakeLists.txt
index e547852..5c6c953 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,7 +7,7 @@ project(c2ffi)
 set(SOURCE_ROOT ${CMAKE_CURRENT_SOURCE_DIR})
 
 # Apparently the LLVM package doesn't support ranges
-find_package(LLVM 17.0.0 CONFIG)
+find_package(LLVM 18.1.0 CONFIG)
 find_package(Clang REQUIRED CONFIG)
 
 message(STATUS "Found LLVM ${LLVM_PACKAGE_VERSION}")
diff --git a/README.md b/README.md
index 85c6b6b..4593daa 100644
--- a/README.md
+++ b/README.md
@@ -7,8 +7,9 @@ LLVM/Clang:
 * 15.0.0: branch `llvm-15.0.0` *deprecated*
 * 16.0.6: branch `llvm-16.0.0` *old*
 * 17.0.6: branch `llvm-17.0.0` *current*
+* 18.1.x: branch `llvm-18.1.0` *current*
 
-Developement will always take place in `llvm-X.Y`, according to the
+Development will always take place in `llvm-X.Y`, according to the
 appropriate version of LLVM.  **The *master* branch has been
 removed.** Check out the appropriate version for your LLVM.
 
@@ -17,6 +18,17 @@ version than supported, posting a ticket *with build log* after having bumped
 the LLVM version in `CMakeLists.txt` would be helpful; you may not even need
 changed beyond that (feel free to post an PR if this is the case).
 
+**Windows:** This apparently builds and works in Windows now as well, with MSYS2;
+make sure you have the following:
+
+```
+$ pacman -S mingw-w64-x86_64-clang mingw-w64-x86_64-clang-tools-extra gcc cmake ninja
+$ mkdir build; cd build
+$ cmake -G Ninja ..
+```
+
+(I couldn't get make to work; nor have I tried building this with clang.)
+
 `c2ffi` now provides tagged versions as well.  To hopefully avoid confusion,
 these correlate to the appropriate version of LLVM, along with an additional
 release number for c2ffi, e.g.: