KNOX-2042 - Upgrade testcontainers to 1.12.1

Signed-off-by: Kevin Risden <krisden@apache.org>
diff --git a/pom.xml b/pom.xml
index 47a0c36..3b36f91 100644
--- a/pom.xml
+++ b/pom.xml
@@ -230,7 +230,7 @@
         <spring-core.version>5.1.9.RELEASE</spring-core.version>
         <spring-vault.version>2.1.3.RELEASE</spring-vault.version>
         <taglibs-standard.version>1.2.5</taglibs-standard.version>
-        <testcontainers.version>1.12.0</testcontainers.version>
+        <testcontainers.version>1.12.1</testcontainers.version>
         <velocity.version>1.7</velocity.version>
         <xmltool.version>3.3</xmltool.version>
         <xml-matchers.version>0.10</xml-matchers.version>