diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6b84516..4555d2b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -34,7 +34,7 @@ set(CMAKE_C_FLAGS_RELWITHDEBINFO "-g -O3 -ffast-math")
 set(CMAKE_C_FLAGS_MINSIZEREL "-Os")
 
 find_package(PkgConfig REQUIRED)
-pkg_check_modules(ALLEG5 REQUIRED allegro-5 allegro-5.0)
+pkg_check_modules(ALLEG5 REQUIRED allegro-5>=5.1.9 allegro-5.0>=5.1.9)
 pkg_check_modules(ALLEG5-PRIM REQUIRED allegro_primitives-5 allegro_primitives-5.0)
 pkg_check_modules(ALLEG5-FONT REQUIRED allegro_font-5 allegro_font-5.0)