diff --git a/Cargo.lock b/Cargo.lock
index 8c1c72146a..9759a17632 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2083,9 +2083,9 @@ dependencies = [
 
 [[package]]
 name = "once_cell"
-version = "1.11.0"
+version = "1.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b10983b38c53aebdf33f542c6275b0f58a238129d00c4ae0e6fb59738d783ca"
+checksum = "7709cef83f0c1f58f666e746a08b21e0085f7440fa6a29cc194d68aac97a4225"
 
 [[package]]
 name = "oneline-eyre"
diff --git a/relayer-cli/Cargo.toml b/relayer-cli/Cargo.toml
index 4243ebde5a..0e61126001 100644
--- a/relayer-cli/Cargo.toml
+++ b/relayer-cli/Cargo.toml
@@ -81,5 +81,5 @@ features = ["options"]
 
 [dev-dependencies]
 abscissa_core = { version = "=0.6.0", features = ["testing"] }
-once_cell = "1.9"
+once_cell = "1.12"
 regex = "1.5"
diff --git a/telemetry/Cargo.toml b/telemetry/Cargo.toml
index bad4b71c76..464492d453 100644
--- a/telemetry/Cargo.toml
+++ b/telemetry/Cargo.toml
@@ -16,7 +16,7 @@ description  = """
 ibc = { version = "0.15.0", path = "../modules" }
 
 crossbeam-channel        = "0.5.4"
-once_cell                = "1.9.0"
+once_cell                = "1.12.0"
 opentelemetry            = "0.17.0"
 opentelemetry-prometheus = "0.10.0"
 prometheus               = "0.13.0"