diff --git a/docs/nn-explainability.html b/docs/nn-explainability.html
index 2ef8fe651..a7f28da6e 100644
--- a/docs/nn-explainability.html
+++ b/docs/nn-explainability.html
@@ -130,7 +130,7 @@
                             </svg>
                             <div class="header__btn--text d-f fd-c">
                                 <span class="strong">DOWNLOAD</span>
-                                <span>trulens 0.13.3 (Mar 8, 2023)</span>
+                                <span>trulens 0.13.4 (Jul 14, 2023)</span>
                             </div>
                         </a>
                     </ul>
@@ -157,7 +157,7 @@ <h1>
                     </svg>
                     <div class="header__btn--text d-f fd-c">
                         <span class="strong">DOWNLOAD</span>
-                        <span>trulens 0.13.3 (Mar 8, 2023)</span>
+                        <span>trulens 0.13.4 (Jul 14, 2023)</span>
                     </div>
                 </a>
             </header>
diff --git a/trulens_explain/tests/notebooks/requirements.txt b/trulens_explain/tests/notebooks/requirements.txt
index 68759355e..eed1749f1 100644
--- a/trulens_explain/tests/notebooks/requirements.txt
+++ b/trulens_explain/tests/notebooks/requirements.txt
@@ -2,6 +2,7 @@ jinja2==3.0.3
 nbformat==5.0.8
 nbconvert==6.0.7
 pandas==1.3.5
+pyyaml==5.3.1 # 5.4.1 fails during build due to Cython regression (https://github.com/yaml/pyyaml/issues/724)
 matplotlib
 scipy
 tensorflow-hub
diff --git a/trulens_explain/tests/notebooks/requirements_latest.txt b/trulens_explain/tests/notebooks/requirements_latest.txt
index 41874ab60..1f9e61dec 100644
--- a/trulens_explain/tests/notebooks/requirements_latest.txt
+++ b/trulens_explain/tests/notebooks/requirements_latest.txt
@@ -1,6 +1,7 @@
 jinja2==3.0.3
 nbformat==5.0.8
 nbconvert==6.0.7
+pyyaml==5.3.1 # 5.4.1 fails during build due to Cython regression (https://github.com/yaml/pyyaml/issues/724)
 matplotlib
 pandas
 tensorflow-hub
diff --git a/trulens_explain/trulens/__init__.py b/trulens_explain/trulens/__init__.py
index 26c36ca79..f2b93b13d 100644
--- a/trulens_explain/trulens/__init__.py
+++ b/trulens_explain/trulens/__init__.py
@@ -1 +1 @@
-__version__ = "0.13.3"
+__version__ = "0.13.4"