diff --git a/abi_used_symbols b/abi_used_symbols
--- a/abi_used_symbols
+++ b/abi_used_symbols
@@ -15,6 +15,7 @@
 libc.so.6:clock_gettime
 libc.so.6:close
 libc.so.6:closedir
+libc.so.6:dirfd
 libc.so.6:dl_iterate_phdr
 libc.so.6:dlsym
 libc.so.6:dup2
@@ -33,6 +34,7 @@
 libc.so.6:free
 libc.so.6:freeaddrinfo
 libc.so.6:fstat64
+libc.so.6:fstatat64
 libc.so.6:gai_strerror
 libc.so.6:getaddrinfo
 libc.so.6:getcwd
@@ -118,7 +120,7 @@
 libc.so.6:pthread_setspecific
 libc.so.6:pthread_sigmask
 libc.so.6:read
-libc.so.6:readdir64_r
+libc.so.6:readdir64
 libc.so.6:readlink
 libc.so.6:realloc
 libc.so.6:realpath
diff --git a/package.yml b/package.yml
--- a/package.yml
+++ b/package.yml
@@ -1,8 +1,8 @@
 name       : mdbook
-version    : 0.4.17
-release    : 21
+version    : 0.4.18
+release    : 22
 source     :
-    - https://github.com/rust-lang/mdBook/archive/refs/tags/v0.4.17.tar.gz : 9523d0bed63ce35eec5a8259eb963651cd7e37ec5644ef551134068a2fb72f89
+    - https://github.com/rust-lang/mdBook/archive/refs/tags/v0.4.18.tar.gz : ce357327f4443189fde307103f8008f43410ca8b738c5c61401ada9a54b8b5b5
 homepage   : https://github.com/rust-lang/mdBook
 license    : MPL-2.0
 component  : programming.tools
diff --git a/pspec_x86_64.xml b/pspec_x86_64.xml
--- a/pspec_x86_64.xml
+++ b/pspec_x86_64.xml
@@ -24,12 +24,12 @@
         </Files>
     </Package>
     <History>
-        <Update release="21">
-            <Date>2022-04-02</Date>
-            <Version>0.4.17</Version>
+        <Update release="22">
+            <Date>2022-04-16</Date>
+            <Version>0.4.18</Version>
             <Comment>Packaging update</Comment>
             <Name>David Harder</Name>
             <Email>david@davidjharder.ca</Email>
         </Update>
     </History>
 </PISI>
\ No newline at end of file