diff --git a/Cargo.lock b/Cargo.lock
index edf460e4679..f9410e292ba 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -11106,8 +11106,7 @@ checksum = "439ee305def115ba05938db6eb1644ff94165c5ab5e9420d1c1bcedbba909391"
 [[package]]
 name = "pprof"
 version = "0.15.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "38a01da47675efa7673b032bf8efd8214f1917d89685e07e395ab125ea42b187"
+source = "git+https://github.com/tikv/pprof-rs?rev=01cff82dbe6fe110a707bf2b38d8ebb1d14a18f8#01cff82dbe6fe110a707bf2b38d8ebb1d14a18f8"
 dependencies = [
  "aligned-vec",
  "backtrace",
diff --git a/Cargo.toml b/Cargo.toml
index 702498ee5e5..9fa5d013272 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -384,6 +384,10 @@ datafusion-pg-catalog = { git = "https://github.com/datafusion-contrib/datafusio
 arrow-pg = { git = "https://github.com/datafusion-contrib/datafusion-postgres.git", rev = "ffb14a52b3d7c7489559812e1ec38096f225ce93" }
 sqlparser = { git = "https://github.com/GreptimeTeam/sqlparser-rs.git", rev = "9e9019bb1c7040ed956f654e39378dd42ab17884" }
 
+# pprof 0.15.0 initializes framehop inside SIGPROF; pin the unreleased fix
+# that initializes it before sampling. Remove once tikv/pprof-rs#282 is released.
+pprof = { git = "https://github.com/tikv/pprof-rs", rev = "01cff82dbe6fe110a707bf2b38d8ebb1d14a18f8" }
+
 # Temporary: use the GreptimeTeam fork of tikv-jemalloc-sys embedding
 # jemalloc 5.3.1 + backport of 54f22c83 ("Initialize TSD tcache before
 # enabling it"), fixing the TSD/tcache enable-before-init reentrancy