diff --git a/CMakeLists.txt b/CMakeLists.txt
index d8b7372..ff0c819 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,7 +7,7 @@ disallow_intree_builds()
 project (utf8proc C)
 
 # Be sure to also update these in Makefile!
-set(SO_MAJOR 3)
+set(SO_MAJOR 2)
 set(SO_MINOR 0)
 set(SO_PATCH 0)
 
diff --git a/MANIFEST b/MANIFEST
index 3dbf43d..f79d541 100644
--- a/MANIFEST
+++ b/MANIFEST
@@ -2,6 +2,6 @@ include/
 include/utf8proc.h
 lib/
 lib/libutf8proc.a
-lib/libutf8proc.so -> libutf8proc.so.3.0.0
-lib/libutf8proc.so.3 -> libutf8proc.so.3.0.0
-lib/libutf8proc.so.3.0.0
+lib/libutf8proc.so -> libutf8proc.so.2.0.0
+lib/libutf8proc.so.2 -> libutf8proc.so.2.0.0
+lib/libutf8proc.so.2.0.0
diff --git a/Makefile b/Makefile
index 2b6f58e..ff5e771 100644
--- a/Makefile
+++ b/Makefile
@@ -19,7 +19,7 @@ UCFLAGS = $(CFLAGS) $(PICFLAG) $(C99FLAG) $(WCFLAGS) -DUTF8PROC_EXPORTS
 # not API compatibility: MAJOR should be incremented whenever *binary*
 # compatibility is broken, even if the API is backward-compatible
 # Be sure to also update these in MANIFEST and CMakeLists.txt!
-MAJOR=3
+MAJOR=2
 MINOR=0
 PATCH=0