diff --git a/abi_used_symbols b/abi_used_symbols
--- a/abi_used_symbols
+++ b/abi_used_symbols
@@ -18,8 +18,10 @@
 libc.so.6:dup2
 libc.so.6:environ
 libc.so.6:epoll_create
+libc.so.6:epoll_create1
 libc.so.6:epoll_ctl
 libc.so.6:epoll_wait
+libc.so.6:eventfd
 libc.so.6:execvp
 libc.so.6:exit
 libc.so.6:fchmod
@@ -84,6 +86,7 @@
 libc.so.6:readlink
 libc.so.6:realloc
 libc.so.6:rmdir
+libc.so.6:sched_getaffinity
 libc.so.6:sched_yield
 libc.so.6:setgid
 libc.so.6:setgroups
@@ -116,6 +119,7 @@
 libgcc_s.so.1:_Unwind_Resume
 libgcc_s.so.1:_Unwind_SetGR
 libgcc_s.so.1:_Unwind_SetIP
+libm.so.6:ceil
 libm.so.6:fmod
 libpthread.so.0:__errno_location
 libpthread.so.0:close
diff --git a/package.yml b/package.yml
--- a/package.yml
+++ b/package.yml
@@ -1,8 +1,8 @@
 name       : mdbook
-version    : 0.4.10
-release    : 14
+version    : 0.4.11
+release    : 15
 source     :
-    - https://github.com/rust-lang/mdBook/archive/refs/tags/v0.4.10.tar.gz : ecd1d4cee5b5fa7781799f83010e2074262929a22e37d308061b54ffa7e42f69
+    - https://github.com/rust-lang/mdBook/archive/refs/tags/v0.4.11.tar.gz : a66b57a2a70fbc8c665898bf952a7f8276e6f400c2d9340dbfd70ddb96b3562e
 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
@@ -3,8 +3,8 @@
         <Name>mdbook</Name>
         <Homepage>https://github.com/rust-lang/mdBook</Homepage>
         <Packager>
-            <Name>Joshua Strobl</Name>
-            <Email>joshua@getsol.us</Email>
+            <Name>David Harder</Name>
+            <Email>david@davidjharder.ca</Email>
         </Packager>
         <License>MPL-2.0</License>
         <PartOf>programming.tools</PartOf>
@@ -24,12 +24,12 @@
         </Files>
     </Package>
     <History>
-        <Update release="14">
-            <Date>2021-06-15</Date>
-            <Version>0.4.10</Version>
+        <Update release="15">
+            <Date>2021-07-27</Date>
+            <Version>0.4.11</Version>
             <Comment>Packaging update</Comment>
-            <Name>Joshua Strobl</Name>
-            <Email>joshua@getsol.us</Email>
+            <Name>David Harder</Name>
+            <Email>david@davidjharder.ca</Email>
         </Update>
     </History>
 </PISI>
\ No newline at end of file