diff --git a/src/vm/wren_core.c b/src/vm/wren_core.c
index 1ef92fab..1abfff68 100644
--- a/src/vm/wren_core.c
+++ b/src/vm/wren_core.c
@@ -677,6 +677,7 @@ DEF_NUM_FN(abs,     fabs)
 DEF_NUM_FN(acos,    acos)
 DEF_NUM_FN(asin,    asin)
 DEF_NUM_FN(atan,    atan)
+DEF_NUM_FN(cbrt,    cbrt)
 DEF_NUM_FN(ceil,    ceil)
 DEF_NUM_FN(cos,     cos)
 DEF_NUM_FN(floor,   floor)
@@ -1345,6 +1346,7 @@ void wrenInitializeCore(WrenVM* vm)
   PRIMITIVE(vm->numClass, "acos", num_acos);
   PRIMITIVE(vm->numClass, "asin", num_asin);
   PRIMITIVE(vm->numClass, "atan", num_atan);
+  PRIMITIVE(vm->numClass, "cbrt", num_cbrt);
   PRIMITIVE(vm->numClass, "ceil", num_ceil);
   PRIMITIVE(vm->numClass, "cos", num_cos);
   PRIMITIVE(vm->numClass, "floor", num_floor);
diff --git a/test/core/number/cbrt.wren b/test/core/number/cbrt.wren
new file mode 100644
index 00000000..58d66d15
--- /dev/null
+++ b/test/core/number/cbrt.wren
@@ -0,0 +1,6 @@
+System.print(8.cbrt)        // expect: 2
+System.print(1000000.cbrt)  // expect: 100
+System.print(1.cbrt)        // expect: 1
+System.print((-0).cbrt)     // expect: -0
+System.print(0.cbrt)        // expect: 0
+System.print(-2.cbrt)       // expect: -1.2599210498949