diff --git a/libpng.3 b/libpng.3
index a0f43c2e1..55ff95620 100644
--- a/libpng.3
+++ b/libpng.3
@@ -5105,8 +5105,10 @@ the first widely used release:
  ...
  1.0.19                  10    10019  10.so.0.19[.0]
  ...
+ 1.2.53                  13    10253  12.so.0.53[.0]
+ ...
  1.5.24beta01-02         15    10524  15.so.15.24[.0]
- 1.5.24rc01              15    10524  15.so.15.24[.0]
+ 1.5.24rc01-02           15    10524  15.so.15.24[.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 544c09c53..47c86a30e 100644
--- a/png.h
+++ b/png.h
@@ -180,8 +180,10 @@
  *    ...
  *    1.0.19                  10    10019  10.so.0.19[.0]
  *    ...
+ *    1.2.53                  13    10253  12.so.0.53[.0]
+ *    ...
  *    1.5.24beta01-02         15    10524  15.so.15.24[.0]
- *    1.5.24rc01              15    10524  15.so.15.24[.0]
+ *    1.5.24rc01-02           15    10524  15.so.15.24[.0]
  *
  *    Henceforth the source version will match the shared-library major
  *    and minor numbers; the shared-library major version number will be