diff --git a/37-neuro-monolithic/tf-37-learning.py b/38-neuro-monolithic/tf-38-learning.py
similarity index 100%
rename from 37-neuro-monolithic/tf-37-learning.py
rename to 38-neuro-monolithic/tf-38-learning.py
diff --git a/37-neuro-monolithic/tf-37.py b/38-neuro-monolithic/tf-38.py
similarity index 100%
rename from 37-neuro-monolithic/tf-37.py
rename to 38-neuro-monolithic/tf-38.py
diff --git a/38-sliding-window/tf-38.py b/39-sliding-window/tf-39.py
similarity index 100%
rename from 38-sliding-window/tf-38.py
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diff --git a/39-recurrent/tf-39.py b/40-recurrent/tf-40.py
similarity index 100%
rename from 39-recurrent/tf-39.py
rename to 40-recurrent/tf-40.py