diff --git a/buildSrc/version.properties b/buildSrc/version.properties
index 5202b60cbdc..1486ce4b6e4 100644
--- a/buildSrc/version.properties
+++ b/buildSrc/version.properties
@@ -11,7 +11,7 @@ spatial4j         = 0.7
 jts               = 1.15.0
 jackson           = 2.12.6
 snakeyaml         = 1.26
-icu4j             = 68.2
+icu4j             = 70.1
 supercsv          = 2.4.0
 log4j             = 2.17.1
 slf4j             = 1.6.2
diff --git a/plugins/analysis-icu/licenses/icu4j-68.2.jar.sha1 b/plugins/analysis-icu/licenses/icu4j-68.2.jar.sha1
deleted file mode 100644
index fcb3d790750..00000000000
--- a/plugins/analysis-icu/licenses/icu4j-68.2.jar.sha1
+++ /dev/null
@@ -1 +0,0 @@
-76893e6000401ace133a65262254be0ebe556d46
\ No newline at end of file
diff --git a/plugins/analysis-icu/licenses/icu4j-70.1.jar.sha1 b/plugins/analysis-icu/licenses/icu4j-70.1.jar.sha1
new file mode 100644
index 00000000000..6fad7352354
--- /dev/null
+++ b/plugins/analysis-icu/licenses/icu4j-70.1.jar.sha1
@@ -0,0 +1 @@
+dfa3a1fbc55bf5db8c6e79fc0935ac7ab1202950
\ No newline at end of file