diff --git a/configure b/configure
index bb0c5299be39695132af78eb550e849aca228eef..b4009ed4536c816d2a9eed1526abbd4cd55dd5ce 100755
--- a/configure
+++ b/configure
@@ -12066,23 +12066,23 @@ fi
   else
      PKG_CONFIG_MIN_VERSION=0.9.0
      if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
-        echo "$as_me:$LINENO: checking for xfce-mcs-manager = 1" >&5
-echo $ECHO_N "checking for xfce-mcs-manager = 1... $ECHO_C" >&6
+        echo "$as_me:$LINENO: checking for xfce-mcs-manager >= 0.1" >&5
+echo $ECHO_N "checking for xfce-mcs-manager >= 0.1... $ECHO_C" >&6
 
-        if $PKG_CONFIG --exists "xfce-mcs-manager = 1" ; then
+        if $PKG_CONFIG --exists "xfce-mcs-manager >= 0.1" ; then
             echo "$as_me:$LINENO: result: yes" >&5
 echo "${ECHO_T}yes" >&6
             succeeded=yes
 
             echo "$as_me:$LINENO: checking XFCE_MCS_MANAGER_CFLAGS" >&5
 echo $ECHO_N "checking XFCE_MCS_MANAGER_CFLAGS... $ECHO_C" >&6
-            XFCE_MCS_MANAGER_CFLAGS=`$PKG_CONFIG --cflags "xfce-mcs-manager = 1"`
+            XFCE_MCS_MANAGER_CFLAGS=`$PKG_CONFIG --cflags "xfce-mcs-manager >= 0.1"`
             echo "$as_me:$LINENO: result: $XFCE_MCS_MANAGER_CFLAGS" >&5
 echo "${ECHO_T}$XFCE_MCS_MANAGER_CFLAGS" >&6
 
             echo "$as_me:$LINENO: checking XFCE_MCS_MANAGER_LIBS" >&5
 echo $ECHO_N "checking XFCE_MCS_MANAGER_LIBS... $ECHO_C" >&6
-            XFCE_MCS_MANAGER_LIBS=`$PKG_CONFIG --libs "xfce-mcs-manager = 1"`
+            XFCE_MCS_MANAGER_LIBS=`$PKG_CONFIG --libs "xfce-mcs-manager >= 0.1"`
             echo "$as_me:$LINENO: result: $XFCE_MCS_MANAGER_LIBS" >&5
 echo "${ECHO_T}$XFCE_MCS_MANAGER_LIBS" >&6
         else
@@ -12090,7 +12090,7 @@ echo "${ECHO_T}$XFCE_MCS_MANAGER_LIBS" >&6
             XFCE_MCS_MANAGER_LIBS=""
             ## If we have a custom action on failure, don't print errors, but
             ## do set a variable so people can do so.
-            XFCE_MCS_MANAGER_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "xfce-mcs-manager = 1"`
+            XFCE_MCS_MANAGER_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "xfce-mcs-manager >= 0.1"`
             echo $XFCE_MCS_MANAGER_PKG_ERRORS
         fi
 
@@ -12105,8 +12105,8 @@ echo "${ECHO_T}$XFCE_MCS_MANAGER_LIBS" >&6
   if test $succeeded = yes; then
      :
   else
-     { { echo "$as_me:$LINENO: error: Library requirements (xfce-mcs-manager = 1) not met; consider adjusting the PKG_CONFIG_PATH environment variable if your libraries are in a nonstandard prefix so pkg-config can find them." >&5
-echo "$as_me: error: Library requirements (xfce-mcs-manager = 1) not met; consider adjusting the PKG_CONFIG_PATH environment variable if your libraries are in a nonstandard prefix so pkg-config can find them." >&2;}
+     { { echo "$as_me:$LINENO: error: Library requirements (xfce-mcs-manager >= 0.1) not met; consider adjusting the PKG_CONFIG_PATH environment variable if your libraries are in a nonstandard prefix so pkg-config can find them." >&5
+echo "$as_me: error: Library requirements (xfce-mcs-manager >= 0.1) not met; consider adjusting the PKG_CONFIG_PATH environment variable if your libraries are in a nonstandard prefix so pkg-config can find them." >&2;}
    { (exit 1); exit 1; }; }
   fi