diff --git a/KeywordSearch/solr/server/lib/ext/log4j-1.2-api-2.16.0.jar b/KeywordSearch/solr/server/lib/ext/log4j-1.2-api-2.16.0.jar
deleted file mode 100755
index 90033d419a..0000000000
Binary files a/KeywordSearch/solr/server/lib/ext/log4j-1.2-api-2.16.0.jar and /dev/null differ
diff --git a/KeywordSearch/solr/server/lib/ext/log4j-1.2-api-2.17.2.jar b/KeywordSearch/solr/server/lib/ext/log4j-1.2-api-2.17.2.jar
new file mode 100755
index 0000000000..bff129dc72
Binary files /dev/null and b/KeywordSearch/solr/server/lib/ext/log4j-1.2-api-2.17.2.jar differ
diff --git a/KeywordSearch/solr/server/lib/ext/log4j-api-2.16.0.jar b/KeywordSearch/solr/server/lib/ext/log4j-api-2.17.2.jar
similarity index 55%
rename from KeywordSearch/solr/server/lib/ext/log4j-api-2.16.0.jar
rename to KeywordSearch/solr/server/lib/ext/log4j-api-2.17.2.jar
index 2fea718f26..a03f315165 100755
Binary files a/KeywordSearch/solr/server/lib/ext/log4j-api-2.16.0.jar and b/KeywordSearch/solr/server/lib/ext/log4j-api-2.17.2.jar differ
diff --git a/KeywordSearch/solr/server/lib/ext/log4j-core-2.16.0.jar b/KeywordSearch/solr/server/lib/ext/log4j-core-2.17.2.jar
similarity index 55%
rename from KeywordSearch/solr/server/lib/ext/log4j-core-2.16.0.jar
rename to KeywordSearch/solr/server/lib/ext/log4j-core-2.17.2.jar
index 6a2365bab8..fbc0641dc4 100755
Binary files a/KeywordSearch/solr/server/lib/ext/log4j-core-2.16.0.jar and b/KeywordSearch/solr/server/lib/ext/log4j-core-2.17.2.jar differ
diff --git a/KeywordSearch/solr/server/lib/ext/log4j-layout-template-json-2.16.0.jar b/KeywordSearch/solr/server/lib/ext/log4j-layout-template-json-2.16.0.jar
deleted file mode 100755
index 4c0155251b..0000000000
Binary files a/KeywordSearch/solr/server/lib/ext/log4j-layout-template-json-2.16.0.jar and /dev/null differ
diff --git a/KeywordSearch/solr/server/lib/ext/log4j-slf4j-impl-2.16.0.jar b/KeywordSearch/solr/server/lib/ext/log4j-slf4j-impl-2.17.2.jar
similarity index 69%
rename from KeywordSearch/solr/server/lib/ext/log4j-slf4j-impl-2.16.0.jar
rename to KeywordSearch/solr/server/lib/ext/log4j-slf4j-impl-2.17.2.jar
index 84a3fad098..a1c4170cb9 100755
Binary files a/KeywordSearch/solr/server/lib/ext/log4j-slf4j-impl-2.16.0.jar and b/KeywordSearch/solr/server/lib/ext/log4j-slf4j-impl-2.17.2.jar differ
diff --git a/KeywordSearch/solr/server/lib/ext/log4j-web-2.16.0.jar b/KeywordSearch/solr/server/lib/ext/log4j-web-2.16.0.jar
deleted file mode 100755
index c9fcd95b38..0000000000
Binary files a/KeywordSearch/solr/server/lib/ext/log4j-web-2.16.0.jar and /dev/null differ
diff --git a/KeywordSearch/solr/server/lib/ext/log4j-web-2.17.2.jar b/KeywordSearch/solr/server/lib/ext/log4j-web-2.17.2.jar
new file mode 100755
index 0000000000..028b32e977
Binary files /dev/null and b/KeywordSearch/solr/server/lib/ext/log4j-web-2.17.2.jar differ