diff --git a/util/crossgcc/buildgcc b/util/crossgcc/buildgcc
index 149beb4a69..8a07c83363 100755
--- a/util/crossgcc/buildgcc
+++ b/util/crossgcc/buildgcc
@@ -46,7 +46,7 @@ EXPAT_VERSION=2.2.9
 # CLANG version number
 CLANG_VERSION=9.0.0
 CMAKE_VERSION=3.16.2
-NASM_VERSION=2.14.02
+NASM_VERSION=2.15.03
 
 # GCC toolchain archive locations
 # These are sanitized by the jenkins toolchain test builder, so if
diff --git a/util/crossgcc/sum/nasm-2.14.02.tar.bz2.cksum b/util/crossgcc/sum/nasm-2.14.02.tar.bz2.cksum
deleted file mode 100644
index f3b9de9d29..0000000000
--- a/util/crossgcc/sum/nasm-2.14.02.tar.bz2.cksum
+++ /dev/null
@@ -1 +0,0 @@
-fe098ee4dc9c4c983696c4948e64b23e4098b92b  tarballs/nasm-2.14.02.tar.bz2
diff --git a/util/crossgcc/sum/nasm-2.15.03.tar.bz2.cksum b/util/crossgcc/sum/nasm-2.15.03.tar.bz2.cksum
new file mode 100644
index 0000000000..6033faeff4
--- /dev/null
+++ b/util/crossgcc/sum/nasm-2.15.03.tar.bz2.cksum
@@ -0,0 +1 @@
+513ac3b800377f10833a02bc7f3fa8b84ca4f2b6  tarballs/nasm-2.15.03.tar.bz2