diff --git a/README.md b/README.md
index a83375c..38a96cc 100644
--- a/README.md
+++ b/README.md
@@ -21,7 +21,7 @@ This program will automatically build and install an IOP compiler, which is used
 
 ## What these scripts do
 
-These scripts download (with `git clone`) and install [binutils 2.45](http://www.gnu.org/software/binutils/ "binutils") (iop), [gcc 15.2.0](https://gcc.gnu.org/ "gcc") (iop).
+These scripts download (with `git clone`) and install [binutils 2.45.1](http://www.gnu.org/software/binutils/ "binutils") (iop), [gcc 15.2.0](https://gcc.gnu.org/ "gcc") (iop).
 
 ## Requirements
 
diff --git a/config/ps2toolchain-iop-config.sh b/config/ps2toolchain-iop-config.sh
index 49bb508..442746c 100644
--- a/config/ps2toolchain-iop-config.sh
+++ b/config/ps2toolchain-iop-config.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 
 PS2TOOLCHAIN_IOP_BINUTILS_REPO_URL="https://github.com/bminor/binutils-gdb.git"
-PS2TOOLCHAIN_IOP_BINUTILS_DEFAULT_REPO_REF="binutils-2_45"
+PS2TOOLCHAIN_IOP_BINUTILS_DEFAULT_REPO_REF="binutils-2_45_1"
 PS2TOOLCHAIN_IOP_GCC_REPO_URL="https://github.com/gcc-mirror/gcc.git"
 PS2TOOLCHAIN_IOP_GCC_DEFAULT_REPO_REF="releases/gcc-15.2.0"