diff --git a/gradle.lockfile b/gradle.lockfile
index 2c9cc356..bcb6814e 100644
--- a/gradle.lockfile
+++ b/gradle.lockfile
@@ -10,7 +10,7 @@ commons-codec:commons-codec:1.22.1=compileClasspath,runtimeClasspath
 commons-io:commons-io:2.22.0=compileClasspath,runtimeClasspath
 javax.validation:validation-api:2.0.1.Final=compileClasspath,runtimeClasspath
 org.apache.commons:commons-compress:1.28.0=compileClasspath,runtimeClasspath
-org.apache.commons:commons-lang3:3.20.0=compileClasspath,runtimeClasspath
+org.apache.commons:commons-lang3:3.21.0=compileClasspath,runtimeClasspath
 org.embulk:embulk-spi:0.11=compileClasspath
 org.embulk:embulk-util-config:0.5.0=compileClasspath,runtimeClasspath
 org.embulk:embulk-util-file:0.2.0=compileClasspath,runtimeClasspath
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index e1998718..7853f5d2 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -18,7 +18,7 @@ embulk-util-file = "0.2.0"
 commons-compress = "1.28.0"
 commons-codec = "1.22.1"
 commons-io = "2.22.0"
-commons-lang3 = "3.20.0"
+commons-lang3 = "3.21.0"
 
 checkstyle = "9.3"