diff --git a/libpng.3 b/libpng.3
index 1fe1015b6..26f205eab 100644
--- a/libpng.3
+++ b/libpng.3
@@ -5931,8 +5931,12 @@ the first widely used release:
  ...
  1.0.19                  10    10019  10.so.0.19[.0]
  ...
- 1.5.24beta01-02         15    10524  15.so.15.24[.0]
- 1.5.24rc01              15    10524  15.so.15.24[.0]
+ 1.2.53                  13    10253  12.so.0.53[.0]
+ ...
+ 1.5.23                  15    10523  15.so.15.23[.0]
+ ...
+ 1.6.19beta01-04         16    10619  16.so.16.19[.0]
+ 1.6.19rc01-03           16    10619  16.so.16.19[.0]
 
 Henceforth the source version will match the shared-library minor
 and patch numbers; the shared-library major version number will be
diff --git a/png.h b/png.h
index 92318e8fa..91f7a7da5 100644
--- a/png.h
+++ b/png.h
@@ -181,8 +181,12 @@
  *    ...
  *    1.0.19                  10    10019  10.so.0.19[.0]
  *    ...
- *    1.5.24beta01-02         15    10524  15.so.15.24[.0]
- *    1.5.24rc01              15    10524  15.so.15.24[.0]
+ *    1.2.53                  13    10253  12.so.0.53[.0]
+ *    ...
+ *    1.5.23                  15    10523  15.so.15.23[.0]
+ *    ...
+ *    1.6.19beta01-04         16    10619  16.so.16.19[.0]
+ *    1.6.19rc01-03           16    10619  16.so.16.19[.0]
  *
  *    Henceforth the source version will match the shared-library major
  *    and minor numbers; the shared-library major version number will be