diff --git a/pom.xml b/pom.xml
index 6a8d4b8297fc28a996a33dc22573931ebb56c28b..36507731f25d4e718e573de5f7ef5fc16aa6b48c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -28,7 +28,7 @@
         <!-- Referenced from .gitlab-ci.yml for use in git submodule -->
         <tei-stylesheet-version>v7.33.0</tei-stylesheet-version>
 
-		<commons-io-version>2.4</commons-io-version>
+		<commons-io-version>2.7</commons-io-version>
 		<link-rewriter-version>0.4.1-RELEASE</link-rewriter-version>
 		<saxon-version>9.5.1-5</saxon-version> <!-- XXX mind dependency from epubcheck -->
 		<cxf-version>3.3.13</cxf-version>
@@ -42,7 +42,7 @@
 		<guava-version>15.0</guava-version>
 		<junit-version>4.13.2</junit-version>
 		<servlet-api-version>3.1.0</servlet-api-version>
-		<spring-version>5.1.20.RELEASE</spring-version>
+		<spring-version>5.2.22.RELEASE</spring-version>
 		<git-commit-id-plugin-version>2.1.15</git-commit-id-plugin-version>
 		<maven-compiler-plugin-version>3.9.0</maven-compiler-plugin-version>
 		<maven-eclipse-plugin-version>2.10</maven-eclipse-plugin-version>