diff --git a/Cargo.lock b/Cargo.lock
index 07a4ccc01d..05b355a7dd 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -784,9 +784,9 @@ dependencies = [
 
 [[package]]
 name = "once_cell"
-version = "1.5.2"
+version = "1.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "13bd41f508810a131401606d54ac32a467c97172d74ba7662562ebba5ad07fa0"
+checksum = "af8b08b04175473088b46763e51ee54da5f9a164bc162f615b91bc179dbf15a3"
 
 [[package]]
 name = "oorandom"
diff --git a/boa/Cargo.toml b/boa/Cargo.toml
index c64c56c852..1622fe9cd7 100644
--- a/boa/Cargo.toml
+++ b/boa/Cargo.toml
@@ -39,7 +39,7 @@ fast-float = "0.2.0"
 
 # Optional Dependencies
 measureme = { version = "9.1.0", optional = true }
-once_cell = { version = "1.5.2", optional = true }
+once_cell = { version = "1.7.2", optional = true }
 
 [dev-dependencies]
 criterion = "0.3.3"
diff --git a/boa_tester/Cargo.toml b/boa_tester/Cargo.toml
index 3eb7bf3d80..54c711df5c 100644
--- a/boa_tester/Cargo.toml
+++ b/boa_tester/Cargo.toml
@@ -18,7 +18,7 @@ serde_yaml = "0.8.17"
 serde_json = "1.0.64"
 bitflags = "1.2.1"
 regex = "1.4.3"
-once_cell = "1.5.2"
+once_cell = "1.7.2"
 colored = "2.0.0"
 fxhash = "0.2.1"
 git2 = "0.13.17"