diff --git a/crates/smlib/SMLIB_PREBUILT b/crates/smlib/SMLIB_PREBUILT
index 17988e36d1..1811dc299d 100644
--- a/crates/smlib/SMLIB_PREBUILT
+++ b/crates/smlib/SMLIB_PREBUILT
@@ -1,10 +1,10 @@
 # Rust target, SHA-256 of smlib-<target>.tar.gz in the release prebuilt-<SMLIB_REV> of
 # tangency-labs/smlib. Written by scripts/fetch-smlib.sh --pin; never edited by hand.
-aarch64-apple-darwin 9d3b60a82d3789433bf91b177d9072f6f1465f817474adc22cec99e69e7b3cbb
-aarch64-pc-windows-msvc 3fa882a30884b1776940bf1608f3bad394ce1ddf144d0589458cb22b7b98ab88
-aarch64-unknown-linux-gnu ea14e151773472f59e6bd7948f63e56fffbcdfb4c43c307c0a47e9da0f31f11a
-i686-pc-windows-msvc c56e8db76799914e235f45f520a5382368f4fadbed793ec0f60626695e2eac2e
-wasm32-unknown-unknown 4d2a27d1122c5876a2293e13c06d999d4dd6348614f08b2bf44f785e7cb69fb7
-x86_64-apple-darwin 2a6ec9b280b6fac349dd6dbf6d4a3fc42d7fb93c787f7113b566cc6764586bcb
-x86_64-pc-windows-msvc 205e5c7325260861b396fbeac068e9a11a200750e7d5048345e870caa0bdfb27
-x86_64-unknown-linux-gnu 941df71e61603d3f27f2204e9f7c7926fcae899ff384a9ceff5fadee43245533
+aarch64-apple-darwin 48461900e6d041389bb3736f2772f7bb21f2d202a1e1f4d27d6c6915c298bb8a
+aarch64-pc-windows-msvc 2ba752b4bf8a3f18b47cbc6773763d7d9a3a0393be27c3d4e98a6d5ca9cf0b4d
+aarch64-unknown-linux-gnu 8c66c2a113a64e574d945772965f7cc0de46ff8bbb3ce450e95bf57abe6058c0
+i686-pc-windows-msvc dd771c1dede08a3bdfe012ef509d99a16087872790792b44bb8b26cc1015a671
+wasm32-unknown-unknown 7bb1507b9d474d9ee19f2a61d22c9167fdf360672897d9d8dfeb4647a1993fd5
+x86_64-apple-darwin 7ad19f0b30c4c0787f0d3459e2263906fa290db2247afab9efd068feb185fa26
+x86_64-pc-windows-msvc 0dcc44829efa70e19b739b06a19d3cbbc2101c0cc9fb0cc44f28fb97066ce20d
+x86_64-unknown-linux-gnu 8d009ebf182f04c95c6a64f9b0b13b355796b62fef60d81665341915136c5851
diff --git a/crates/smlib/SMLIB_REV b/crates/smlib/SMLIB_REV
index 36aea93257..33fcdb90f6 100644
--- a/crates/smlib/SMLIB_REV
+++ b/crates/smlib/SMLIB_REV
@@ -1 +1 @@
-d01d7b05bf2e15c1c085b665d84167e7de6834af
+5e8c9c19bb2cff6b5ae321ecda577496955fe037