diff --git a/configure.ac b/configure.ac
index d6a6bf43fd95..eb4dd017a406 100644
--- a/configure.ac
+++ b/configure.ac
@@ -4073,7 +4073,7 @@ map_vs_year_to_version()
     2022)
         vsversion=17;;
     2022preview)
-        vsversion=17.8;;
+        vsversion=17.9;;
     *)
         AC_MSG_ERROR([Assertion failure - invalid argument "$1" to map_vs_year_to_version()]);;
     esac
@@ -4193,7 +4193,7 @@ find_msvc()
             vcyear=2019
             vctoolset=v142
             ;;
-        17.0 | 17.8)
+        17.0 | 17.9)
             vcyear=2022
             vctoolset=v143
             ;;
@@ -4365,7 +4365,7 @@ if test "$_os" = "WINNT"; then
         # are always "better", we list them in reverse chronological order.
 
         case "$vcnumwithdot" in
-        16.0 | 17.0 | 17.8)
+        16.0 | 17.0 | 17.9)
             WINDOWS_SDK_ACCEPTABLE_VERSIONS="10.0 8.1A 8.1 8.0"
             ;;
         esac
@@ -6719,7 +6719,7 @@ find_msms()
 
     msmdir=
     case "$VCVER" in
-    16.0 | 17.0 | 17.8)
+    16.0 | 17.0 | 17.9)
         for l in `ls -1 $VC_PRODUCT_DIR/redist/MSVC/`; do
             my_msm_dir="$VC_PRODUCT_DIR/redist/MSVC/$l/MergeModules/"
             echo "$as_me:$LINENO: looking for $my_msm_dir${my_msm_file}])" >&5
@@ -6755,7 +6755,7 @@ find_msvc_x64_dlls()
 
     msvcdllpath="$VC_PRODUCT_DIR/redist/x64/Microsoft.VC${VCVER}.CRT"
     case "$VCVER" in
-    16.0 | 17.0 | 17.8)
+    16.0 | 17.0 | 17.9)
         for crtver in 141 142 143; do
             for l in `ls -1 $VC_PRODUCT_DIR/redist/MSVC/`; do
                 echo "$as_me:$LINENO: testing $VC_PRODUCT_DIR/redist/MSVC/$l/x64/Microsoft.VC$crtver.CRT" >&5