diff --git a/CHANGELOG.md b/CHANGELOG.md
index 10421f20cc..2bacf843b8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -73,6 +73,7 @@ Bottom level categories:
         - `countTrailingZeros`
         - `degrees`
         - `exp`
+        - `exp2`
         - `floor`
 - Eager release of GPU resources comes from device.trackers. By @bradwerth in [#5075](https://github.com/gfx-rs/wgpu/pull/5075)
 - `wgpu-types`'s `trace` and `replay` features have been replaced by the `serde` feature. By @KirmesBude in [#5149](https://github.com/gfx-rs/wgpu/pull/5149)
diff --git a/naga/src/proc/constant_evaluator.rs b/naga/src/proc/constant_evaluator.rs
index 0a8e4c0971..66cccc947a 100644
--- a/naga/src/proc/constant_evaluator.rs
+++ b/naga/src/proc/constant_evaluator.rs
@@ -910,6 +910,9 @@ impl<'a> ConstantEvaluator<'a> {
             crate::MathFunction::Exp => {
                 component_wise_float!(self, span, [arg], |e| { Ok([e.exp()]) })
             }
+            crate::MathFunction::Exp2 => {
+                component_wise_float!(self, span, [arg], |e| { Ok([e.exp2()]) })
+            }
             crate::MathFunction::Floor => {
                 component_wise_float!(self, span, [arg], |e| { Ok([e.floor()]) })
             }