diff --git a/postgresql-libpq-configure/configure b/postgresql-libpq-configure/configure
index 5ea1a51..fe392c1 100755
--- a/postgresql-libpq-configure/configure
+++ b/postgresql-libpq-configure/configure
@@ -3570,7 +3570,7 @@ then :
   ac_cv_POSTGRESQL_LIBS="$POSTGRESQL_LIBS"
 fi
 
-    postgresql_version_req=14.13
+    postgresql_version_req=14.12
     found_postgresql="no"
 
     POSTGRESQL_VERSION=""
diff --git a/postgresql-libpq-configure/configure.ac b/postgresql-libpq-configure/configure.ac
index 53d8cf6..56352e8 100644
--- a/postgresql-libpq-configure/configure.ac
+++ b/postgresql-libpq-configure/configure.ac
@@ -5,7 +5,7 @@ AC_CONFIG_MACRO_DIRS([m4])
 AC_PROG_CC
 AC_PROG_SED
 
-AX_LIB_POSTGRESQL([14.13])
+AX_LIB_POSTGRESQL([14.12])
 
 POSTGRESQL_EXTRA_LIBS="pq"
 POSTGRESQL_LIBDIR=$(echo "$POSTGRESQL_LDFLAGS"|$SED 's/-L//')
diff --git a/postgresql-libpq-pkgconfig/postgresql-libpq-pkgconfig.cabal b/postgresql-libpq-pkgconfig/postgresql-libpq-pkgconfig.cabal
index 149f55a..1f7459c 100644
--- a/postgresql-libpq-pkgconfig/postgresql-libpq-pkgconfig.cabal
+++ b/postgresql-libpq-pkgconfig/postgresql-libpq-pkgconfig.cabal
@@ -35,7 +35,7 @@ extra-source-files: CHANGELOG.md
 library
   default-language:  Haskell2010
   build-depends:     base <5
-  pkgconfig-depends: libpq >=14.13
+  pkgconfig-depends: libpq >=14.12
 
 source-repository head
   type:     git