diff --git a/CMakeLists.txt b/CMakeLists.txt
index eb361a5..bf53249 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -54,6 +54,6 @@ if("${CMAKE_BUILD_TYPE}" MATCHES "Release")
     endif()
 endif()
 
-add_library("Aaru.Checksums.Native" SHARED adler32.h adler32.c crc16.h crc16.c crc16_ccitt.h crc16_ccitt.c crc32.c crc32.h crc64.c crc64.h fletcher16.h fletcher16.c fletcher32.h fletcher32.c library.h spamsum.c spamsum.h crc32_clmul.c crc64_clmul.c simd.c simd.h adler32_ssse3.c adler32_avx2.c adler32_neon.c crc32_arm_simd.c crc32_vmull.c crc32_simd.h arm_vmull.c arm_vmull.h crc64_vmull.c)
+add_library("Aaru.Checksums.Native" SHARED adler32.h adler32.c crc16.h crc16.c crc16_ccitt.h crc16_ccitt.c crc32.c crc32.h crc64.c crc64.h fletcher16.h fletcher16.c fletcher32.h fletcher32.c library.h spamsum.c spamsum.h crc32_clmul.c crc64_clmul.c simd.c simd.h adler32_ssse3.c adler32_avx2.c adler32_neon.c crc32_arm_simd.c crc32_vmull.c crc32_simd.h arm_vmull.c arm_vmull.h crc64_vmull.c library.c)
 
 add_subdirectory(tests)
diff --git a/library.c b/library.c
new file mode 100644
index 0000000..09f8006
--- /dev/null
+++ b/library.c
@@ -0,0 +1,23 @@
+/*
+ * This file is part of the Aaru Data Preservation Suite.
+ * Copyright (c) 2019-2021 Natalia Portillo.
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of the
+ * License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdint.h>
+
+#include "library.h"
+
+AARU_EXPORT uint64_t AARU_CALL get_acn_version() { return AARU_CHECKUMS_NATIVE_VERSION; }
\ No newline at end of file
diff --git a/library.h b/library.h
index d77a770..f7e52e8 100644
--- a/library.h
+++ b/library.h
@@ -56,4 +56,8 @@
 
 #include "simd.h"
 
+#define AARU_CHECKUMS_NATIVE_VERSION 0x06000086
+
+AARU_EXPORT uint64_t AARU_CALL get_acn_version();
+
 #endif // AARU_CHECKSUMS_NATIVE_LIBRARY_H