diff --git a/pkg/fff/Makefile.include b/pkg/fff/Makefile.include
index ef26e83006..698fcfd20d 100644
--- a/pkg/fff/Makefile.include
+++ b/pkg/fff/Makefile.include
@@ -6,3 +6,14 @@ PSEUDOMODULES += fff
 
 # Tests don't need pedantic. Pedantic throws errors in variadic macros when compiling for C++
 CXXEXFLAGS += -Wno-pedantic
+
+ifeq (1,$(RIOT_CI_BUILD))
+  # TODO: remove this when the build containers clang is updated to version 16
+  TOOLCHAINS_BLACKLIST += llvm
+else
+  ifeq (llvm,$(TOOLCHAIN))
+    ifneq (1,$(call version_is_greater_or_equal,$(LLVM_VERSION),16))
+      $(error package fff requires clang 16.0.0 or newer. Use GCC or update clang.)
+    endif
+  endif
+endif