diff --git a/src/natives/builtin.cpp b/src/natives/builtin.cpp
index 203fae8..ff81e14 100644
--- a/src/natives/builtin.cpp
+++ b/src/natives/builtin.cpp
@@ -468,6 +468,10 @@ var builtin_platform(context* ctx, gc* ngc) {
     return ngc->newstr(util::get_platform());
 }
 
+var builtin_version(context* ctx, gc* ngc) {
+    return ngc->newstr(__nasver__);
+}
+
 var builtin_arch(context* ctx, gc* ngc) {
     return ngc->newstr(util::get_arch());
 }
@@ -769,6 +773,7 @@ nasal_builtin_table builtin[] = {
     {"__sleep", builtin_sleep},
     {"__platform", builtin_platform},
     {"__arch", builtin_arch},
+    {"__version", builtin_version},
     {"__md5", builtin_md5},
     {"__maketimestamp", builtin_maketimestamp},
     {"__time_stamp", builtin_time_stamp},
diff --git a/src/natives/builtin.h b/src/natives/builtin.h
index 2239a17..9b23e0f 100644
--- a/src/natives/builtin.h
+++ b/src/natives/builtin.h
@@ -66,6 +66,7 @@ var builtin_values(context*, gc*);
 var builtin_sleep(context*, gc*);
 var builtin_platform(context*, gc*);
 var builtin_arch(context*, gc*);
+var builtin_version(context*, gc*);
 
 // md5 related functions
 std::string tohex(u32);
diff --git a/std/runtime.nas b/std/runtime.nas
index 2cd57a1..5aa9421 100644
--- a/std/runtime.nas
+++ b/std/runtime.nas
@@ -33,3 +33,15 @@ var windows = {
         return __set_utf8_output;
     }
 };
+
+var version = func() {
+    return __version;
+}
+
+var major_version = func() {
+    return split(".", version())[0];
+}
+
+var minor_version = func() {
+    return split(".", version())[1];
+}