diff --git a/backends/vulkan/runtime/graph/ops/glsl/unary_op.yaml b/backends/vulkan/runtime/graph/ops/glsl/unary_op.yaml
index f13393ce6c7..fc0e6c538fe 100644
--- a/backends/vulkan/runtime/graph/ops/glsl/unary_op.yaml
+++ b/backends/vulkan/runtime/graph/ops/glsl/unary_op.yaml
@@ -46,3 +46,5 @@ unary_op:
       OPERATOR: leaky_relu(X, A)
     - NAME: round
       OPERATOR: round(X)
+    - NAME: tan
+      OPERATOR: tan(X)
diff --git a/backends/vulkan/runtime/graph/ops/impl/UnaryOp.cpp b/backends/vulkan/runtime/graph/ops/impl/UnaryOp.cpp
index 518148f12eb..71fad0474b3 100644
--- a/backends/vulkan/runtime/graph/ops/impl/UnaryOp.cpp
+++ b/backends/vulkan/runtime/graph/ops/impl/UnaryOp.cpp
@@ -154,6 +154,7 @@ DEFINE_ACTIVATION_FN(hardswish);
 DEFINE_ACTIVATION_FN(hardsigmoid);
 DEFINE_LEAKY_RELU_FN(leaky_relu);
 DEFINE_ACTIVATION_FN(round);
+DEFINE_ACTIVATION_FN(tan);
 
 REGISTER_OPERATORS {
   VK_REGISTER_OP(aten.abs.default, abs);
@@ -174,6 +175,7 @@ REGISTER_OPERATORS {
   VK_REGISTER_OP(aten.hardsigmoid.default, hardsigmoid);
   VK_REGISTER_OP(aten.leaky_relu.default, leaky_relu);
   VK_REGISTER_OP(aten.round.default, round);
+  VK_REGISTER_OP(aten.tan.default, tan);
 }
 
 } // namespace vkcompute