diff --git a/NEWS b/NEWS
index 010c0fcb0e..155b859dbc 100644
--- a/NEWS
+++ b/NEWS
@@ -1,5 +1,5 @@
 Changes in 3.8.1
-2020-xx-xx
+2020-03-10
 
 - Bug fixes / improvements
   - Stack allocate line segments in OverlapUnion (Paul Ramsey)
diff --git a/Version.txt b/Version.txt
index d504897720..8a4aff4cdd 100644
--- a/Version.txt
+++ b/Version.txt
@@ -5,7 +5,7 @@ GEOS_VERSION_MINOR=8
 GEOS_VERSION_PATCH=1
 
 # OPTIONS: "", "dev", "rc1" etc.
-GEOS_PATCH_WORD=dev
+GEOS_PATCH_WORD=
 
 # GEOS CAPI Versions
 #
@@ -15,7 +15,7 @@ GEOS_PATCH_WORD=dev
 # Increase the age value only if the changes made to the ABI
 # are backward compatible.
 CAPI_INTERFACE_CURRENT=14
-CAPI_INTERFACE_REVISION=2
+CAPI_INTERFACE_REVISION=3
 CAPI_INTERFACE_AGE=13
 
 # JTS Port