diff --git a/Cargo.lock b/Cargo.lock
index fe2beb4..479456c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1393,9 +1393,9 @@ dependencies = [
 
 [[package]]
 name = "once_cell"
-version = "1.14.0"
+version = "1.15.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2f7254b99e31cad77da24b08ebf628882739a608578bb1bcdfc1f9c21260d7c0"
+checksum = "e82dad04139b71a90c080c8463fe0dc7902db5192d939bd0950f074d014339e1"
 
 [[package]]
 name = "opaque-debug"
diff --git a/Cargo.toml b/Cargo.toml
index ef1bda0..7798690 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,7 +13,7 @@ diesel = { version = "1.4.6", features = ["chrono"] }
 diesel_migrations = "1.4.0"
 itertools = "0.10.5"
 log = "0.4.14"
-once_cell = "1.14.0"
+once_cell = "1.15.0"
 prometheus = { version = "0.13.2", features = ["process"], default-features = false }
 pulldown-cmark = { version = "0.9.2", default-features = false }
 rand = "0.8.3"