diff --git a/Cargo.toml b/Cargo.toml
index 45da07ad..30b132ca 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -50,7 +50,7 @@ proptest = "1.0.0"
 zcash_note_encryption = { version = "0.0", features = ["pre-zip-212"] }
 
 [target.'cfg(unix)'.dev-dependencies]
-pprof = { version = "0.5", features = ["criterion", "flamegraph"] }
+pprof = { version = "0.6", features = ["criterion", "flamegraph"] }
 
 [lib]
 bench = false