diff --git a/docs/build.rst b/docs/build.rst
index e96ca826a..e54a723c6 100644
--- a/docs/build.rst
+++ b/docs/build.rst
@@ -89,6 +89,7 @@ Run-time dependencies:
 * ``liblcms2``
 * ``libxxhash``
 * ``openssl``
+* ``shader-slang`` (for the slangc compiler)
 * ``pixman`` (not needed on macOS)
 * ``cairo`` (not needed on macOS)
 * ``freetype`` (not needed on macOS)
diff --git a/shell.nix b/shell.nix
index 43fa08ff8..351ce69c0 100644
--- a/shell.nix
+++ b/shell.nix
@@ -15,6 +15,7 @@ in
           simde
           go
           matplotlib
+          shader-slang
         ]
         ++ optionals stdenv.isDarwin [
           libpng