diff --git a/cli/Cargo.toml b/cli/Cargo.toml
index 98f3eeabc1..a60e8cd269 100644
--- a/cli/Cargo.toml
+++ b/cli/Cargo.toml
@@ -14,7 +14,7 @@ name = "naga"
 path = "src/main.rs"
 
 [dependencies]
-naga = { path = "../", features = ["wgsl-in", "wgsl-out", "glsl-in", "glsl-out", "spv-in", "spv-out", "msl-out", "hlsl-out", "dot-out", "glsl-validate"] }
+naga = { path = "../", features = ["span", "wgsl-in", "wgsl-out", "glsl-in", "glsl-out", "spv-in", "spv-out", "msl-out", "hlsl-out", "dot-out", "glsl-validate"] }
 log = "0.4"
 codespan-reporting = "0.11"
 env_logger = "0.8"