diff --git a/Project.toml b/Project.toml
index eef46a7..4e0e7df 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "TemporalGPs"
 uuid = "e155a3c4-0841-43e1-8b83-a0e4f03cc18f"
 authors = ["willtebbutt <wt0881@my.bristol.ac.uk> and contributors"]
-version = "0.6.7"
+version = "0.6.8"
 
 [deps]
 AbstractGPs = "99985d1d-32ba-4be9-9821-2ec096f28918"
@@ -20,10 +20,10 @@ Zygote = "e88e6eb3-aa80-5325-afca-941959d7151f"
 AbstractGPs = "0.5.17"
 Bessels = "0.2.8"
 BlockDiagonals = "0.1.7"
-ChainRulesCore = "1.0.0 - 1.16.0"
-FillArrays = "0.13.0 - 0.13.7"
+ChainRulesCore = "1"
+FillArrays = "0.13.0 - 0.13.7, 1"
 KernelFunctions = "0.9, 0.10.1"
-StaticArrays = "1.0.0 - 1.6.5"
+StaticArrays = "1"
 StructArrays = "0.5, 0.6"
-Zygote = "0.6.65 - 0.6.65"
+Zygote = "0.6.65"
 julia = "1.6"