diff --git a/zcash_history/Cargo.toml b/zcash_history/Cargo.toml
index 2cec07fdbe..91959d137d 100644
--- a/zcash_history/Cargo.toml
+++ b/zcash_history/Cargo.toml
@@ -14,6 +14,8 @@ assert_matches = "1.3.0"
 quickcheck = "0.9"
 
 [dependencies]
+# TODO: Pined until we move to rust v1.64.0 or above to support winnow > 0.4.1
+winnow = "=0.4.1"
 primitive-types = "0.11"
 byteorder = "1"
 blake2 = { package = "blake2b_simd", version = "1" }
diff --git a/zcash_proofs/Cargo.toml b/zcash_proofs/Cargo.toml
index 5302cabbf9..6a7920b8b0 100644
--- a/zcash_proofs/Cargo.toml
+++ b/zcash_proofs/Cargo.toml
@@ -37,6 +37,8 @@ criterion = "0.3"
 rand_xorshift = "0.3"
 
 [target.'cfg(unix)'.dev-dependencies]
+# TODO: Pined until inferno 0.11.15 is fixed from compilation errors
+inferno = "=0.11.14"
 pprof = { version = "0.9", features = ["criterion", "flamegraph"] } # MSRV 1.56
 
 [features]