diff --git a/erlang-configure-c99.patch b/erlang-configure-c99.patch
deleted file mode 100644
index e7abc79..0000000
--- a/erlang-configure-c99.patch
+++ /dev/null
@@ -1,89 +0,0 @@
-Configure changes to adjust to stricter C99 compilers: Avoid
-implicit function declarations, and define main as returning int.
-
-Submitted upstream: <https://github.com/erlang/otp/pull/6504>
-
-diff --git a/erts/configure b/erts/configure
-index 815428caaf61c914..7d057e69ae5e3a93 100755
---- a/erts/configure
-+++ b/erts/configure
-@@ -20529,6 +20529,9 @@ else $as_nop
- #ifdef HAVE_MALLOC_H
- #  include <malloc.h>
- #endif
-+#ifdef HAVE_UNISTD_H
-+#  include <unistd.h>
-+#endif
- #if defined(HAVE_END_SYMBOL)
- extern char end;
- #elif defined(HAVE__END_SYMBOL)
-@@ -24437,10 +24440,13 @@ else $as_nop
- /* end confdefs.h.  */
- 
- #include <poll.h>
--main()
-+#ifdef HAVE_FCNTL_H
-+#include <fcntl.h>
-+#endif
-+int main()
- {
- #ifdef _POLL_EMUL_H_
--  exit(1); /* Implemented using select() -- fail */
-+  return 1; /* Implemented using select() -- fail */
- #else
-   struct pollfd fds[1];
-   int fd;
-@@ -24449,9 +24455,9 @@ main()
-   fds[0].events = POLLIN;
-   fds[0].revents = 0;
-   if (poll(fds, 1, 0) < 0 || (fds[0].revents & POLLNVAL) != 0) {
--    exit(1);  /* Does not work for devices -- fail */
-+    return 1;  /* Does not work for devices -- fail */
-   }
--  exit(0);
-+  return 0;
- #endif
- }
- 
-diff --git a/erts/configure.ac b/erts/configure.ac
-index ab2ee78acdca211e..f658b66e3c0e508a 100644
---- a/erts/configure.ac
-+++ b/erts/configure.ac
-@@ -2436,6 +2436,9 @@ AC_CACHE_CHECK([if __after_morecore_hook can track malloc()s core memory use],
- #ifdef HAVE_MALLOC_H
- #  include <malloc.h>
- #endif
-+#ifdef HAVE_UNISTD_H
-+#  include <unistd.h>
-+#endif
- #if defined(HAVE_END_SYMBOL)
- extern char end;
- #elif defined(HAVE__END_SYMBOL)
-@@ -3033,10 +3036,13 @@ poll_works=no
- 
- AC_RUN_IFELSE([AC_LANG_SOURCE([[
- #include <poll.h>
--main()
-+#ifdef HAVE_FCNTL_H
-+#include <fcntl.h>
-+#endif
-+int main()
- {
- #ifdef _POLL_EMUL_H_
--  exit(1); /* Implemented using select() -- fail */
-+  return 1; /* Implemented using select() -- fail */
- #else
-   struct pollfd fds[1];
-   int fd;
-@@ -3045,9 +3051,9 @@ main()
-   fds[0].events = POLLIN;
-   fds[0].revents = 0;
-   if (poll(fds, 1, 0) < 0 || (fds[0].revents & POLLNVAL) != 0) {
--    exit(1);  /* Does not work for devices -- fail */
-+    return 1;  /* Does not work for devices -- fail */
-   }
--  exit(0);
-+  return 0;
- #endif
- }
- ]])],[poll_works=yes],[poll_works=no],[
diff --git a/erlang.spec b/erlang.spec
index fa47211..b27e3d0 100644
--- a/erlang.spec
+++ b/erlang.spec
@@ -68,7 +68,7 @@
 
 
 Name:		erlang
-Version:	26.2.5
+Version:	26.2.5.1
 Release:	1%{?dist}
 Summary:	General-purpose programming language and runtime environment
 
@@ -1969,6 +1969,9 @@ useradd -r -g epmd -d /dev/null -s /sbin/nologin \
 
 
 %changelog
+* Wed Jun 26 2024 Peter Lemenkov <lemenkov@gmail.com> - 26.2.5.1-1
+- Ver. 26.2.5.1
+
 * Sat May  4 2024 Peter Lemenkov <lemenkov@gmail.com> - 26.2.5-1
 - Ver. 26.2.5
 
diff --git a/sources b/sources
index e69e9eb..58c38a3 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (otp-OTP-26.2.5.tar.gz) = f06d34290c0d93609aa3efbdc97206e8d3ce17aa2c3f62b6c566c7631ee3a3d45a89b61ce0ace81604b5a94610d03ad98558f27ee888ca90ecdeeeb2759c0184
+SHA512 (otp-OTP-26.2.5.1.tar.gz) = fe7cf5c3a386123fa00e364c1f2e884adb46b8080cd4e84eee83c07531c4fca23c909e439516f0e0730735487c7d0384df9fd98ac68e29c6e05add6039ea18f4