diff --git a/ieeeSW/releaseEng3/IEEE_ThemeIssue_ReleaseEng_CD.md b/ieeeSW/releaseEng3/IEEE_ThemeIssue_ReleaseEng_CD.md
index cea7ced..acd7283 100644
--- a/ieeeSW/releaseEng3/IEEE_ThemeIssue_ReleaseEng_CD.md
+++ b/ieeeSW/releaseEng3/IEEE_ThemeIssue_ReleaseEng_CD.md
@@ -302,6 +302,10 @@ to part of the infrastructure. More research is required on development protocol
 policies to improve the relation between industry and government, specially
 regarding CD.
 
+## Acknowledgements
+
+We thank our colleagues, Lucas Kanashiro and Rafael Manzo, and this article's and reviewers.
+
 ## References
 
 1. G. Booch, A. W. Brown, "Collaborative Development Environments", in Advances in Computers, vol. 59, 2003, pp. 1–27.
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