diff --git a/dependencyCheckSuppression.xml b/dependencyCheckSuppression.xml
index 4a7c257d00..0fe1a5999d 100644
--- a/dependencyCheckSuppression.xml
+++ b/dependencyCheckSuppression.xml
@@ -316,4 +316,16 @@
         <cve>CVE-2025-15104</cve>
     </suppress>
 
+    <!--
+    CVE-2026-53914 is in the Kotlin compiler's build-cache deserialization. We don't compile Kotlin or use the Kotlin build
+    cache; these jars are only transitive runtime dependencies of OkHttp (via the Duo SDK in mfa, and TCRdb). Not applicable.
+    -->
+    <suppress>
+        <notes><![CDATA[
+   file names: kotlin-reflect, kotlin-stdlib, kotlin-stdlib-jdk7, kotlin-stdlib-jdk8
+   ]]></notes>
+        <packageUrl regex="true">^pkg:maven/org\.jetbrains\.kotlin/.*@.*$</packageUrl>
+        <cve>CVE-2026-53914</cve>
+    </suppress>
+
 </suppressions>
diff --git a/gradle.properties b/gradle.properties
index 8f95dc6766..7b8fc29171 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -44,7 +44,7 @@ buildFromSource=true
 
 # The default version for LabKey artifacts that are built or that we depend on.
 # override in an individual module's gradle.properties file as necessary 
-labkeyVersion=26.3.15
+labkeyVersion=26.3.16
 labkeyClientApiVersion=7.2.0
 
 # Version numbers for the various binary artifacts that are included when
@@ -195,15 +195,15 @@ httpcoreVersion=4.4.16
 intellijKotlinVersion=2.3.10
 
 # Update the three Jackson dependency versions below in tandem, unless one gets a patch release out-of-sync with the others
-jacksonVersion=2.21.0
-jacksonDatabindVersion=2.21.0
-jacksonJaxrsBaseVersion=2.21.0
+jacksonVersion=2.21.4
+jacksonDatabindVersion=2.21.4
+jacksonJaxrsBaseVersion=2.21.4
 
 # Note the inconsistent version numbering for "annotations"... it no longer matches the above
 jacksonAnnotationsVersion=2.21
 
 # Spring Boot brings in a transitive dependency on Jackson 3.x. It has changed package names and can coexist with Jackson 2.x.
-jackson3Version=3.1.0
+jackson3Version=3.1.4
 
 # The Jakarta Activation API version that Angus Activation implements. Keep in sync with angusActivationVersion (above).
 jakartaActivationApiVersion=2.1.4