diff --git a/testutils/fuzzing_engines.nim b/testutils/fuzzing_engines.nim
new file mode 100644
index 0000000..52a9bad
--- /dev/null
+++ b/testutils/fuzzing_engines.nim
@@ -0,0 +1,5 @@
+type
+  fuzzingEngine* = enum
+    libFuzzer
+    afl
+