diff --git a/build/pkgs/configure/checksums.ini b/build/pkgs/configure/checksums.ini
index 1c872212d2e..3865bae9d34 100644
--- a/build/pkgs/configure/checksums.ini
+++ b/build/pkgs/configure/checksums.ini
@@ -1,3 +1,3 @@
 tarball=configure-VERSION.tar.gz
-sha1=852d0d200a6a73aa5ddb9e00874cbe4a61c211e9
-sha256=c4b089d90850dfdf15b905f66e4f6a0d961b96eb0663d8603beaff1a9efb2cbe
+sha1=3c99d49a9d117032e8e93bda955a952d9b903f14
+sha256=a9ecd4a138ebb241a3028558c04f5fdc9c22e21df5cd0514a29290c7847db8d4
diff --git a/build/pkgs/configure/package-version.txt b/build/pkgs/configure/package-version.txt
index 093cb148078..563cbd8decd 100644
--- a/build/pkgs/configure/package-version.txt
+++ b/build/pkgs/configure/package-version.txt
@@ -1 +1 @@
-a2ba1f943f88775218c385efe55509c4548d1b44
+0fd247e338266c36e4cff6653f3f1eb4ff021dbd
diff --git a/src/sage/libs/flint/flint_wrap.h b/src/sage/libs/flint/flint_wrap.h
index 1302973779e..2cd39eb1441 100644
--- a/src/sage/libs/flint/flint_wrap.h
+++ b/src/sage/libs/flint/flint_wrap.h
@@ -26,6 +26,10 @@
 #pragma push_macro("ulong")
 #undef ulong
 
+/* Reserved in C99, needed for FLINT without https://github.com/flintlib/flint/pull/2027 */
+#pragma push_macro("I")
+#define I Iv
+
 #include <flint/flint.h>
 
 /* If flint was already previously included via another header (e.g.
@@ -169,6 +173,7 @@
 #undef mp_bitcnt_t
 
 #pragma pop_macro("ulong")
+#pragma pop_macro("I")
 
 /* CPU_SIZE_1 and SIZE_RED_FAILURE_THRESH are defined as macros in flint/fmpz_lll.h
  * and as variables in fplll/defs.h, which breaks build if linbox is compiled with fplll */
diff --git a/src/sage_setup/autogen/flint/templates/flint_wrap.h.template b/src/sage_setup/autogen/flint/templates/flint_wrap.h.template
index 97323ede6ce..ec58aa2f602 100644
--- a/src/sage_setup/autogen/flint/templates/flint_wrap.h.template
+++ b/src/sage_setup/autogen/flint/templates/flint_wrap.h.template
@@ -26,6 +26,10 @@
 #pragma push_macro("ulong")
 #undef ulong
 
+/* Reserved in C99, needed for FLINT without https://github.com/flintlib/flint/pull/2027 */
+#pragma push_macro("I")
+#define I Iv
+
 #include <flint/flint.h>
 
 /* If flint was already previously included via another header (e.g.
@@ -43,6 +47,7 @@
 #undef mp_bitcnt_t
 
 #pragma pop_macro("ulong")
+#pragma pop_macro("I")
 
 /* CPU_SIZE_1 and SIZE_RED_FAILURE_THRESH are defined as macros in flint/fmpz_lll.h
  * and as variables in fplll/defs.h, which breaks build if linbox is compiled with fplll */