diff --git a/Cargo.lock b/Cargo.lock
index f7ab9a3..5a3591e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,6 +1,6 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 3
+version = 4
 
 [[package]]
 name = "aho-corasick"
@@ -28,7 +28,7 @@ checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
 
 [[package]]
 name = "lidrs"
-version = "0.2.1"
+version = "0.2.2"
 dependencies = [
  "approx",
  "num_enum",
diff --git a/Cargo.toml b/Cargo.toml
index b587272..4b76400 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "lidrs"
 authors = ["Sam Morrell <s.a.f.morrell@exeter.ac.uk>"]
-version = "0.2.1"
+version = "0.2.2"
 edition = "2021"
 license-file = "LICENSE"
 description = " A rust crate for reading and representing light intensity distributions via photometric webs. "
@@ -15,11 +15,11 @@ readme = "README.md"
 
 [dependencies]
 property = "0.3.*"
-regex = "1.6.*"
+regex = "^1.6.*"
 num_enum = "0.5.*"
 
 [lib]
 crate-type = ["cdylib", "rlib"]
 
 [dev-dependencies]
-approx="0.5.*"
\ No newline at end of file
+approx="0.5.*"