diff --git a/dev/before_install b/dev/before_install
index 0e56f7c5d32..f7ff69c982d 100755
--- a/dev/before_install
+++ b/dev/before_install
@@ -49,15 +49,6 @@ elif [[ "$RUNNER_OS" == "macOS" ]]; then
 		exit 1
 	fi
 
-	brew install python3
-	brew upgrade python
-
-	./dev/install-python-packages.sh
-	if [[ $? != 0 ]]; then
-		echo "cannot install Python packages"
-		exit 1
-	fi
-
 	sudo ./dev/install-universal_ctags.sh
 	if [[ $? != 0 ]]; then
 		echo "cannot install Universal ctags"
diff --git a/opengrok-indexer/pom.xml b/opengrok-indexer/pom.xml
index 735d6f1c029..52a0c8e79a2 100644
--- a/opengrok-indexer/pom.xml
+++ b/opengrok-indexer/pom.xml
@@ -162,7 +162,7 @@ Portions Copyright (c) 2020-2020, Lubos Kosco <tarzanek@gmail.com>.
         <dependency>
             <groupId>com.google.jimfs</groupId>
             <artifactId>jimfs</artifactId>
-            <version>1.2</version>
+            <version>1.3.0</version>
             <scope>test</scope>
         </dependency>
         <dependency>
diff --git a/opengrok-indexer/src/main/java/org/opengrok/indexer/history/FileAnnotationCache.java b/opengrok-indexer/src/main/java/org/opengrok/indexer/history/FileAnnotationCache.java
index ad2b86f5b60..bf18c7b938e 100644
--- a/opengrok-indexer/src/main/java/org/opengrok/indexer/history/FileAnnotationCache.java
+++ b/opengrok-indexer/src/main/java/org/opengrok/indexer/history/FileAnnotationCache.java
@@ -99,7 +99,7 @@ String getRevision(File file) throws CacheException {
                 parser.nextToken();
             }
 
-            if (parser.getCurrentName().equals("revision")) {
+            if (parser.currentName().equals("revision")) {
                 parser.nextToken();
                 if (!parser.getCurrentToken().equals(JsonToken.VALUE_STRING)) {
                     LOGGER.log(Level.WARNING, "the value of the ''revision'' field in ''{0}'' is not string",
diff --git a/opengrok-indexer/src/test/java/org/opengrok/indexer/web/messages/JSONUtils.java b/opengrok-indexer/src/test/java/org/opengrok/indexer/web/messages/JSONUtils.java
index 5123f927069..899395d735b 100644
--- a/opengrok-indexer/src/test/java/org/opengrok/indexer/web/messages/JSONUtils.java
+++ b/opengrok-indexer/src/test/java/org/opengrok/indexer/web/messages/JSONUtils.java
@@ -18,7 +18,7 @@
  */
 
 /*
- * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2019, 2024, Oracle and/or its affiliates. All rights reserved.
  */
 package org.opengrok.indexer.web.messages;
 
@@ -59,7 +59,7 @@ protected static Set<String> getTopLevelJSONFields(String jsonString) throws IOE
                 continue;
             }
 
-            fields.add(jParser.getCurrentName());
+            fields.add(jParser.currentName());
         }
         jParser.close();
 
diff --git a/pom.xml b/pom.xml
index d80abb1457f..8306cb10f7d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -18,7 +18,7 @@ information: Portions Copyright [yyyy] [name of copyright owner]
 
 CDDL HEADER END
 
-Copyright (c) 2010, 2023, Oracle and/or its affiliates. All rights reserved.
+Copyright (c) 2010, 2024, Oracle and/or its affiliates. All rights reserved.
 Portions Copyright (c) 2018, 2020, Chris Fraire <cfraire@me.com>.
 
 -->
@@ -64,11 +64,11 @@ Portions Copyright (c) 2018, 2020, Chris Fraire <cfraire@me.com>.
         <mavenjavadocplugin.version>3.6.0</mavenjavadocplugin.version>
         <java.version>11</java.version>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <jersey.version>3.1.3</jersey.version>
+        <jersey.version>3.1.7</jersey.version>
         <!-- Jackson version needs to match the version of Jackson which Jersey
         (notably the jersey-media-json-jackson artifact used in opengrok-web)
         depends on or otherwise weird things will happen. -->
-        <jackson.version>2.15.2</jackson.version>
+        <jackson.version>2.17.1</jackson.version>
         <junit.version>5.10.0</junit.version>
         <hamcrest.version>2.2</hamcrest.version>
         <maven-surefire.version>3.0.0-M5</maven-surefire.version>
diff --git a/tools/src/main/python/opengrok_tools/utils/java.py b/tools/src/main/python/opengrok_tools/utils/java.py
index b267f6defb0..d8d659e7ee7 100755
--- a/tools/src/main/python/opengrok_tools/utils/java.py
+++ b/tools/src/main/python/opengrok_tools/utils/java.py
@@ -18,7 +18,7 @@
 # CDDL HEADER END
 
 #
-# Copyright (c) 2008, 2021, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2008, 2024, Oracle and/or its affiliates. All rights reserved.
 # Portions Copyright (c) 2017-2018, Chris Fraire <cfraire@me.com>.
 #
 
@@ -82,12 +82,13 @@ def FindJava(self, logger):
         system_name = platform.system()
         if system_name == 'SunOS':
             rel = platform.release()
+            java_home = None
             if rel == '5.10':
                 java_home = "/usr/jdk/instances/jdk1.7.0"
             elif rel == '5.11':
                 java_home = "/usr/jdk/latest"
 
-            if os.path.isdir(java_home):
+            if java_home and os.path.isdir(java_home):
                 java = os.path.join(java_home, 'bin', 'java')
         elif system_name == 'Darwin':
             cmd = Command(['/usr/libexec/java_home'])