diff --git a/versions.lock b/versions.lock
index 5cb0b1dac..94d61a469 100644
--- a/versions.lock
+++ b/versions.lock
@@ -2,9 +2,9 @@
 com.diffplug.durian:durian-collect:1.2.0 (3 constraints: 4d313bd2)
 com.diffplug.durian:durian-core:1.2.0 (4 constraints: 2640ae56)
 com.diffplug.durian:durian-io:1.2.0 (1 constraints: 1313c62d)
-com.diffplug.spotless:spotless-lib:2.27.0 (2 constraints: f224ade6)
-com.diffplug.spotless:spotless-lib-extra:2.27.0 (1 constraints: 4b132641)
-com.diffplug.spotless:spotless-plugin-gradle:6.8.0 (1 constraints: 10052136)
+com.diffplug.spotless:spotless-lib:2.28.0 (2 constraints: f424e9e6)
+com.diffplug.spotless:spotless-lib-extra:2.28.0 (1 constraints: 4c132941)
+com.diffplug.spotless:spotless-plugin-gradle:6.9.0 (1 constraints: 11052436)
 com.fasterxml.jackson.core:jackson-annotations:2.13.3 (2 constraints: c3178471)
 com.fasterxml.jackson.core:jackson-core:2.13.3 (5 constraints: 455d2296)
 com.fasterxml.jackson.core:jackson-databind:2.13.3 (4 constraints: bd4af753)
@@ -23,8 +23,8 @@ com.google.j2objc:j2objc-annotations:1.3 (2 constraints: 9116c510)
 com.googlecode.concurrent-trees:concurrent-trees:2.6.1 (1 constraints: 761166da)
 com.googlecode.javaewah:JavaEWAH:1.1.12 (1 constraints: 750eee5e)
 org.checkerframework:checker-qual:3.13.0 (3 constraints: 14225427)
-org.codehaus.groovy:groovy:3.0.9 (3 constraints: b52813bc)
-org.codehaus.groovy:groovy-xml:3.0.9 (1 constraints: 791161da)
+org.codehaus.groovy:groovy:3.0.10 (3 constraints: dd28fbd5)
+org.codehaus.groovy:groovy-xml:3.0.10 (1 constraints: a111faeb)
 org.derive4j:derive4j-annotation:1.1.1 (1 constraints: 0505f435)
 org.eclipse.jgit:org.eclipse.jgit:5.13.0.202109080827-r (2 constraints: 562b9625)
 org.functionaljava:functionaljava:4.8 (1 constraints: b0042b2c)
diff --git a/versions.props b/versions.props
index 3ea709bbd..a0125722a 100644
--- a/versions.props
+++ b/versions.props
@@ -1,4 +1,4 @@
-com.diffplug.spotless:spotless-plugin-gradle = 6.8.0
+com.diffplug.spotless:spotless-plugin-gradle = 6.9.0
 com.github.ben-manes.caffeine:caffeine = 3.1.1
 com.google.auto.service:auto-service = 1.0.1
 com.google.code.findbugs:jsr305 = 3.0.2