diff --git a/configure-libafs.ac b/configure-libafs.ac
index 7b3f65e146..75d105e0e4 100644
--- a/configure-libafs.ac
+++ b/configure-libafs.ac
@@ -8,7 +8,7 @@ AC_CONFIG_SRCDIR([src/libafs/Makefile.common.in])
 AM_INIT_AUTOMAKE([foreign])
 
 AC_CONFIG_HEADER([src/config/afsconfig.h])
-MACOS_VERSION=1.8.0
+MACOS_VERSION=1.8.1fc1
 
 AC_SUBST([MACOS_VERSION])
 
diff --git a/configure.ac b/configure.ac
index aabe8eef98..7638e0e527 100644
--- a/configure.ac
+++ b/configure.ac
@@ -9,8 +9,8 @@ AC_CONFIG_SRCDIR([src/config/stds.h])
 AM_INIT_AUTOMAKE([foreign])
 
 AC_CONFIG_HEADER([src/config/afsconfig.h])
-MACOS_VERSION=1.8.0
-LINUX_PKGREL=1.8.0
+MACOS_VERSION=1.8.1fc1
+LINUX_PKGREL=1.8.1pre1
 
 AC_SUBST([MACOS_VERSION])
 
diff --git a/src/config/NTMakefile.amd64_w2k b/src/config/NTMakefile.amd64_w2k
index 93c8461beb..9d5c61a7ac 100644
--- a/src/config/NTMakefile.amd64_w2k
+++ b/src/config/NTMakefile.amd64_w2k
@@ -88,7 +88,7 @@ AFSPRODUCT_VER_MAJOR=1
 AFSPRODUCT_VER_MINOR=8
 !ENDIF
 !IF !DEFINED(AFSPRODUCT_VER_PATCH)
-AFSPRODUCT_VER_PATCH=0000
+AFSPRODUCT_VER_PATCH=9900
 !ENDIF
 !IF !DEFINED(AFSPRODUCT_VER_BUILD)
 AFSPRODUCT_VER_BUILD=0
diff --git a/src/config/NTMakefile.i386_nt40 b/src/config/NTMakefile.i386_nt40
index 18a0f53668..0668f06409 100644
--- a/src/config/NTMakefile.i386_nt40
+++ b/src/config/NTMakefile.i386_nt40
@@ -88,7 +88,7 @@ AFSPRODUCT_VER_MAJOR=1
 AFSPRODUCT_VER_MINOR=8
 !ENDIF
 !IF !DEFINED(AFSPRODUCT_VER_PATCH)
-AFSPRODUCT_VER_PATCH=0000
+AFSPRODUCT_VER_PATCH=9900
 !ENDIF
 !IF !DEFINED(AFSPRODUCT_VER_BUILD)
 AFSPRODUCT_VER_BUILD=0
diff --git a/src/config/NTMakefile.i386_w2k b/src/config/NTMakefile.i386_w2k
index 923f58cbd2..ebc8d28df2 100644
--- a/src/config/NTMakefile.i386_w2k
+++ b/src/config/NTMakefile.i386_w2k
@@ -92,7 +92,7 @@ AFSPRODUCT_VER_MAJOR=1
 AFSPRODUCT_VER_MINOR=8
 !ENDIF
 !IF !DEFINED(AFSPRODUCT_VER_PATCH)
-AFSPRODUCT_VER_PATCH=0000
+AFSPRODUCT_VER_PATCH=9900
 !ENDIF
 !IF !DEFINED(AFSPRODUCT_VER_BUILD)
 AFSPRODUCT_VER_BUILD=0