diff --git a/at-makefile-deps.patch b/at-makefile-deps.patch
new file mode 100644
index 0000000..2389c45
--- /dev/null
+++ b/at-makefile-deps.patch
@@ -0,0 +1,18 @@
+Index: at-3.1.13/Makefile.in
+===================================================================
+--- at-3.1.13.orig/Makefile.in
++++ at-3.1.13/Makefile.in
+@@ -75,9 +75,12 @@ at: $(ATOBJECTS)
+ atd: $(RUNOBJECTS)
+ 	$(CC) $(CFLAGS) -o atd -pie $(RUNOBJECTS) $(LIBS) $(PAMLIB) $(SELINUXLIB)
+ 
+-y.tab.c y.tab.h: parsetime.y
++y.tab.c y.tab.h: stamp-yacc; @:
++stamp-yacc: parsetime.y
+ 	$(YACC) -d parsetime.y
++	touch $@
+ 
++lex.yy.o: y.tab.h
+ lex.yy.c: parsetime.l
+ 	$(LEX) -i parsetime.l
+ 
diff --git a/at.changes b/at.changes
index 134905f..6f475f4 100644
--- a/at.changes
+++ b/at.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Tue Jun 18 15:09:18 UTC 2013 - schwab@suse.de
+
+- at-makefile-deps.patch: fix makefile dependencies
+
 -------------------------------------------------------------------
 Tue Jun 11 13:09:18 UTC 2013 - lang@b1-systems.de
 
diff --git a/at.spec b/at.spec
index a991c89..fa7300c 100644
--- a/at.spec
+++ b/at.spec
@@ -57,6 +57,8 @@ Patch17:        %{name}-3.1.13-tomorrow.patch
 #PATCH-FIX-UPSTREAM wrong mtime handling of jobdir (bnc#680113)
 Patch19:        %{name}-3.1.8-jobdir-mtime.patch
 Patch20:        at-parse-suse-sysconfig.patch
+#PATCH-FIX-UPSTREAM fix makefile dependencies
+Patch21:        at-makefile-deps.patch
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 PreReq:         %{_sbindir}/useradd %{_sbindir}/groupadd %fillup_prereq %insserv_prereq
 PreReq:         permissions
@@ -90,6 +92,8 @@ This program allows you to run jobs at specified times.
 %patch17 -p1
 %patch19
 %patch20 -p1
+%patch21 -p1
+
 %build
 rm -fv y.tab.c y.tab.h lex.yy.c lex.yy.o y.tab.o
 autoreconf -fiv