diff --git a/S/Singular/build_tarballs.jl b/S/Singular/build_tarballs.jl
index 40f9ad0dcfd..4baa4cb4f61 100644
--- a/S/Singular/build_tarballs.jl
+++ b/S/Singular/build_tarballs.jl
@@ -27,15 +27,15 @@ import Pkg.Types: VersionSpec
 # to all components.
 #
 name = "Singular"
-upstream_version = v"4.3.0-3" # 4.3.0 plus some changes
-version_offset = v"0.1.0"
+upstream_version = v"4.3.1-1" # 4.3.1 plus some changes
+version_offset = v"0.0.0"
 version = VersionNumber(upstream_version.major * 100 + upstream_version.minor + version_offset.major,
                         upstream_version.patch * 100 + version_offset.minor,
                         Int(upstream_version.prerelease[1]) * 100 + version_offset.patch)
 
 # Collection of sources required to build normaliz
 sources = [
-    GitSource("https://github.com/Singular/Singular.git", "74622283ad46295f0602f84dc752ccf62f699461"),
+    GitSource("https://github.com/Singular/Singular.git", "c894d1ba0b692e54f6dddf08d4b09e06c446a8dc"),
     #ArchiveSource("https://www.mathematik.uni-kl.de/ftp/pub/Math/Singular/SOURCES/$(upstream_version.major)-$(upstream_version.minor)-$(upstream_version.patch)/singular-$(upstream_version).tar.gz",
     #              "5b0f6c036b4a6f58bf620204b004ec6ca3a5007acc8352fec55eade2fc9d63f6"),
     #DirectorySource("./bundled")
@@ -100,7 +100,7 @@ products = [
 # Dependencies that must be installed before this package can be built
 dependencies = [
     Dependency("cddlib_jll"),
-    Dependency(PackageSpec(name="FLINT_jll"), compat = "~200.800.401"),
+    Dependency(PackageSpec(name="FLINT_jll"), compat = "~200.900.000"),
     Dependency("GMP_jll", v"6.2.0"),
     Dependency("MPFR_jll", v"4.1.1"),
 ]