diff --git a/lucene/CHANGES.txt b/lucene/CHANGES.txt
index 0254031f973..991d303f8cc 100644
--- a/lucene/CHANGES.txt
+++ b/lucene/CHANGES.txt
@@ -119,11 +119,11 @@ New Features
   parent. Added QueryNode.removeFromParent() that allows nodes to be 
   detached from its parent node. (Adriano Crestani)
 
-* LUCENE-5395: Upgrade Spatial4j 0.4: Parses WKT (including ENVELOPE) with
-  extension "BUFFER"; buffering a point results in a Circle. JTS isn't needed
-  for WKT any more but remains required for Polygons. New Shapes:
-  ShapeCollection and BufferedLineString. Various other improvements and bug
-  fixes too. More info:
+* LUCENE-5395 LUCENE-5451: Upgrade to Spatial4j 0.4.1: Parses WKT (including
+  ENVELOPE) with extension "BUFFER"; buffering a point results in a Circle.
+  JTS isn't needed for WKT any more but remains required for Polygons. New
+  Shapes: ShapeCollection and BufferedLineString. Various other improvements and
+  bug fixes too. More info:
   https://github.com/spatial4j/spatial4j/blob/master/CHANGES.md  (David Smiley)
 
 * LUCENE-5405: If an analysis component throws an exception, Lucene
diff --git a/lucene/ivy-versions.properties b/lucene/ivy-versions.properties
index ea6e283d76f..0ca207e472a 100644
--- a/lucene/ivy-versions.properties
+++ b/lucene/ivy-versions.properties
@@ -37,7 +37,7 @@ com.google.inject.guice.version = 3.0
 /com.googlecode.juniversalchardet/juniversalchardet = 1.0.3
 /com.googlecode.mp4parser/isoparser = 1.0-RC-1
 /com.ibm.icu/icu4j = 52.1
-/com.spatial4j/spatial4j = 0.4
+/com.spatial4j/spatial4j = 0.4.1
 
 com.sun.jersey.version = 1.8
 /com.sun.jersey.contribs/jersey-guice = ${com.sun.jersey.version}
diff --git a/lucene/licenses/spatial4j-0.4.1.jar.sha1 b/lucene/licenses/spatial4j-0.4.1.jar.sha1
new file mode 100644
index 00000000000..1c2883bd830
--- /dev/null
+++ b/lucene/licenses/spatial4j-0.4.1.jar.sha1
@@ -0,0 +1 @@
+4234d12b1ba4d4b539fb3e29edd948a99539d9eb
diff --git a/lucene/licenses/spatial4j-0.4.jar.sha1 b/lucene/licenses/spatial4j-0.4.jar.sha1
deleted file mode 100644
index 90b9d0c7706..00000000000
--- a/lucene/licenses/spatial4j-0.4.jar.sha1
+++ /dev/null
@@ -1 +0,0 @@
-3fb96c751e83cd815b68e5f53d058f2cb8a9ecaa
diff --git a/solr/licenses/spatial4j-0.4.1.jar.sha1 b/solr/licenses/spatial4j-0.4.1.jar.sha1
new file mode 100644
index 00000000000..1c2883bd830
--- /dev/null
+++ b/solr/licenses/spatial4j-0.4.1.jar.sha1
@@ -0,0 +1 @@
+4234d12b1ba4d4b539fb3e29edd948a99539d9eb
diff --git a/solr/licenses/spatial4j-0.4.jar.sha1 b/solr/licenses/spatial4j-0.4.jar.sha1
deleted file mode 100644
index 90b9d0c7706..00000000000
--- a/solr/licenses/spatial4j-0.4.jar.sha1
+++ /dev/null
@@ -1 +0,0 @@
-3fb96c751e83cd815b68e5f53d058f2cb8a9ecaa