diff --git a/Project.toml b/Project.toml
index a839eb5..13fe387 100644
--- a/Project.toml
+++ b/Project.toml
@@ -36,7 +36,7 @@ DataStructures = "0.17, 0.18"
 DelimitedFiles = "1"
 EzXML = "0.8, 0.9, 1.1"
 HTTP = "1"
-Interpolations = "0.12, 0.13, 0.14"
+Interpolations = "0.12, 0.13, 0.14, 0.15"
 IterativeSolvers = "0.8, 0.9"
 Missings = "0.4, 1.0"
 Mustache = "1"