diff --git a/Cargo.toml b/Cargo.toml
index 85db660..c250431 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -22,6 +22,7 @@ rustdoc-args = ["--cfg", "docsrs", "--html-in-header", "katex-header.html"]
 [dev-dependencies]
 bincode = "1.3"
 criterion = "0.3"
+csv = ">= 1.0, < 1.2" # csv 1.2 has MSRV 1.60
 rand_xorshift = "0.3"
 serde_json = "1.0"