diff --git a/Project.toml b/Project.toml
index f86c62d5..66bcb0bb 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "BSeries"
 uuid = "ebb8d67c-85b4-416c-b05f-5f409e808f32"
 authors = ["Hendrik Ranocha <mail@ranocha.de> and contributors"]
-version = "0.1.5-pre"
+version = "0.1.5"
 
 [deps]
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
diff --git a/docs/src/index.md b/docs/src/index.md
index c5b1b5d2..a0573426 100644
--- a/docs/src/index.md
+++ b/docs/src/index.md
@@ -45,7 +45,7 @@ for your research, please cite it using the bibtex entry
   year={2021},
   month={09},
   howpublished={\url{https://github.com/ranocha/BSeries.jl}},
-  doi={}
+  doi={10.5281/zenodo.5534602}
 }
 ```
 Please also cite the appropriate references for specific functions you use,