diff --git a/include/ovni.h.in b/include/ovni.h.in
index 84b0df3..2684e2b 100644
--- a/include/ovni.h.in
+++ b/include/ovni.h.in
@@ -31,6 +31,9 @@ extern "C" {
 
 #define OVNI_STREAM_EXT ".obs"
 
+/* Version of the ovni model for events */
+#define OVNI_MODEL_VERSION "1.1.0"
+
 /* Follow https://semver.org rules for versioning */
 #define OVNI_LIB_VERSION "@PROJECT_VERSION@"
 #define OVNI_GIT_COMMIT  "@OVNI_GIT_COMMIT@"
diff --git a/src/emu/ovni/setup.c b/src/emu/ovni/setup.c
index 32b1980..c9d596a 100644
--- a/src/emu/ovni/setup.c
+++ b/src/emu/ovni/setup.c
@@ -13,6 +13,7 @@
 #include "model_cpu.h"
 #include "model_pvt.h"
 #include "model_thread.h"
+#include "ovni.h"
 #include "pv/pcf.h"
 #include "pv/prv.h"
 #include "system.h"
@@ -47,7 +48,7 @@ static struct ev_decl model_evlist[] = {
 
 struct model_spec model_ovni = {
 	.name    = model_name,
-	.version = "1.1.0",
+	.version = OVNI_MODEL_VERSION,
 	.evlist  = model_evlist,
 	.model   = model_id,
 	.create  = model_ovni_create,
diff --git a/src/rt/ovni.c b/src/rt/ovni.c
index 4524a73..6157548 100644
--- a/src/rt/ovni.c
+++ b/src/rt/ovni.c
@@ -535,6 +535,8 @@ ovni_thread_init(pid_t tid)
 	thread_metadata_init();
 
 	rthread.ready = 1;
+
+	ovni_thread_require("ovni", OVNI_MODEL_VERSION);
 }
 
 static void