diff --git a/ChangeLog b/ChangeLog
new file mode 100644
index 0000000..f7f21be
--- /dev/null
+++ b/ChangeLog
@@ -0,0 +1,5 @@
+2005-07-25  Guillem Jover  <guillem@debian.org>
+
+	* Versions: New file.
+	* Makefile: Add versioned symbols support.
+
diff --git a/Makefile b/Makefile
index c80e183..790a2d6 100644
--- a/Makefile
+++ b/Makefile
@@ -43,7 +43,10 @@ $(LIB_SONAME): $(LIB_SHARED)
 	ln -fs $^ $@
 
 $(LIB_SHARED): $(LIB_SHARED_OBJS)
-	gcc -shared -Wl,-soname -Wl,$(LIB_SONAME) -o $@ $^
+	gcc -shared \
+	  -Wl,-soname -Wl,$(LIB_SONAME) \
+	  -Wl,--version-script=Versions \
+	  -o $@ $^
 
 install: libs
 	mkdir -p $(DESTDIR)/usr/lib/
diff --git a/Versions b/Versions
new file mode 100644
index 0000000..87cf983
--- /dev/null
+++ b/Versions
@@ -0,0 +1,10 @@
+LIBBSD_0.0 {
+  global:
+    arc4random;
+    fgetln;
+    inet_net_pton;
+    strlcpy;
+    strlcat;
+  local:
+    *;
+};