diff --git a/Cargo.lock b/Cargo.lock
index 12e8111bfb4b..65378096a9fc 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1959,7 +1959,7 @@ name = "gecko_logger"
 version = "0.1.0"
 dependencies = [
  "app_services_logger",
- "env_logger 0.9.999",
+ "env_logger 0.10.0",
  "lazy_static",
  "log",
 ]
@@ -3836,7 +3836,7 @@ version = "0.1.4"
 dependencies = [
  "byteorder",
  "core-foundation",
- "env_logger 0.9.999",
+ "env_logger 0.10.0",
  "lazy_static",
  "libloading",
  "log",
@@ -4859,7 +4859,7 @@ name = "smoosh"
 version = "0.1.0"
 dependencies = [
  "bumpalo",
- "env_logger 0.9.999",
+ "env_logger 0.10.0",
  "jsparagus",
  "log",
 ]
diff --git a/js/src/frontend/smoosh/Cargo.toml b/js/src/frontend/smoosh/Cargo.toml
index 1f30ba294aad..260d62bcc950 100644
--- a/js/src/frontend/smoosh/Cargo.toml
+++ b/js/src/frontend/smoosh/Cargo.toml
@@ -10,7 +10,7 @@ bumpalo = "3.4.0"
 log = "0.4"
 # Setup RUST_LOG logging.
 # Disable regex feature for code size.
-env_logger = {version = "0.9", default-features = false}
+env_logger = {version = "0.10", default-features = false}
 # For non-jsparagus developers.
 jsparagus = { git = "https://github.com/mozilla-spidermonkey/jsparagus", rev = "64ba08e24749616de2344112f226d1ef4ba893ae" }
 # For local development, replace above with
diff --git a/security/manager/ssl/osclientcerts/Cargo.toml b/security/manager/ssl/osclientcerts/Cargo.toml
index 52bab2f01189..2e364e321800 100644
--- a/security/manager/ssl/osclientcerts/Cargo.toml
+++ b/security/manager/ssl/osclientcerts/Cargo.toml
@@ -9,7 +9,7 @@ license = "MPL-2.0"
 
 [dependencies]
 byteorder = "1.3"
-env_logger = {version = "0.9", default-features = false } # disable `regex` to reduce code size
+env_logger = {version = "0.10", default-features = false } # disable `regex` to reduce code size
 lazy_static = "1"
 log = "0.4"
 mozilla-central-workspace-hack = { path = "../../../../build/workspace-hack" }
diff --git a/xpcom/rust/gecko_logger/Cargo.toml b/xpcom/rust/gecko_logger/Cargo.toml
index 2f7a2e93a2e3..2f8ca84a97ac 100644
--- a/xpcom/rust/gecko_logger/Cargo.toml
+++ b/xpcom/rust/gecko_logger/Cargo.toml
@@ -8,5 +8,5 @@ license = "MPL-2.0"
 [dependencies]
 lazy_static = "1"
 log = {version = "0.4", features = ["release_max_level_info"]}
-env_logger = {version = "0.9", default-features = false, features = ["termcolor"]} # disable `regex` to reduce code size
+env_logger = {version = "0.10", default-features = false, features = ["color"]} # disable `regex` to reduce code size
 app_services_logger = { path = "../../../services/common/app_services_logger" }