diff --git a/Cargo.lock b/Cargo.lock
index 786302ec..125336cd 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2890,9 +2890,9 @@ 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 = "onig"
diff --git a/plume-common/Cargo.toml b/plume-common/Cargo.toml
index 8c73293d..192642be 100644
--- a/plume-common/Cargo.toml
+++ b/plume-common/Cargo.toml
@@ -37,6 +37,6 @@ branch = "bidi-plume"
 
 [dev-dependencies]
 assert-json-diff = "2.0.1"
-once_cell = "1.11.0"
+once_cell = "1.12.0"
 
 [features]
diff --git a/plume-models/Cargo.toml b/plume-models/Cargo.toml
index 0d3971cb..ee281589 100644
--- a/plume-models/Cargo.toml
+++ b/plume-models/Cargo.toml
@@ -31,7 +31,7 @@ glob = "0.3.0"
 lindera-tantivy = { version = "0.7.1", optional = true }
 tracing = "0.1.34"
 riker = "0.4.2"
-once_cell = "1.11.0"
+once_cell = "1.12.0"
 lettre = "0.9.6"
 native-tls = "0.2.10"
 activitystreams = "0.7.0-alpha.18"