diff --git a/BUILDING.md b/BUILDING.md
index 1c46d0423..42e111b57 100644
--- a/BUILDING.md
+++ b/BUILDING.md
@@ -4,7 +4,7 @@
 
 * **python3** >= 3.9.1
 * **conan** >= 1.32.0
-* **cmake** >= 1.36
+* **cmake** >= 3.20.2
 * A working C++ 14 compiler
 
 ### Conan
@@ -185,4 +185,4 @@ $ docker build -t audacity_linux_env .\linux\build-environment\
 $ docker run --rm -v ${pwd}:/audacity/audacity/ -v ${pwd}/../build/linux-system:/audacity/build -it audacity_linux_env
 ```
 
-To find system packages, we rely on `pkg-config`. There are several packages, that have broken `*.pc` or do not use `pkg-config` at all. For the docker image - we mitigate this issue by installing the correct [`pc` files](linux/build-environment/pkgconfig/).
\ No newline at end of file
+To find system packages, we rely on `pkg-config`. There are several packages, that have broken `*.pc` or do not use `pkg-config` at all. For the docker image - we mitigate this issue by installing the correct [`pc` files](linux/build-environment/pkgconfig/).