diff --git a/base-notebook/README.md b/base-notebook/README.md
index dfed04bc..ea8c3258 100644
--- a/base-notebook/README.md
+++ b/base-notebook/README.md
@@ -6,7 +6,7 @@ Small base image for defining your own stack
 
 ## What it Gives You
 
-* Minimally-functional Jupyter Notebook 4.3.x (e.g., no pandoc for document conversion)
+* Minimally-functional Jupyter Notebook 5.0.x (e.g., no pandoc for document conversion)
 * Miniconda Python 3.x
 * No preinstalled scientific computing packages
 * Unprivileged user `jovyan` (uid=1000, configurable, see options) in group `users` (gid=100) with ownership over `/home/jovyan` and `/opt/conda`
diff --git a/datascience-notebook/README.md b/datascience-notebook/README.md
index 505f7250..80a4a275 100644
--- a/datascience-notebook/README.md
+++ b/datascience-notebook/README.md
@@ -4,7 +4,7 @@
 
 ## What it Gives You
 
-* Jupyter Notebook 4.3.x
+* Jupyter Notebook 5.0.x
 * Conda Python 3.x and Python 2.7.x environments
 * pandas, matplotlib, scipy, seaborn, scikit-learn, scikit-image, sympy, cython, patsy, statsmodel, cloudpickle, dill, numba, bokeh pre-installed
 * Conda R v3.3.x and channel
diff --git a/minimal-notebook/README.md b/minimal-notebook/README.md
index 05112f72..0a77e5ad 100644
--- a/minimal-notebook/README.md
+++ b/minimal-notebook/README.md
@@ -6,7 +6,7 @@ Small image for working in the notebook and installing your own libraries
 
 ## What it Gives You
 
-* Fully-functional Jupyter Notebook 4.3.x
+* Fully-functional Jupyter Notebook 5.0.x
 * Miniconda Python 3.x
 * No preinstalled scientific computing packages
 * Unprivileged user `jovyan` (uid=1000, configurable, see options) in group `users` (gid=100) with ownership over `/home/jovyan` and `/opt/conda`
diff --git a/pyspark-notebook/README.md b/pyspark-notebook/README.md
index 75114241..8ec7605c 100644
--- a/pyspark-notebook/README.md
+++ b/pyspark-notebook/README.md
@@ -4,7 +4,7 @@
 
 ## What it Gives You
 
-* Jupyter Notebook 4.3.x
+* Jupyter Notebook 5.0.x
 * Conda Python 3.x and Python 2.7.x environments
 * pyspark, pandas, matplotlib, scipy, seaborn, scikit-learn pre-installed
 * Spark 2.1.0 with Hadoop 2.7 for use in local mode or to connect to a cluster of Spark workers
diff --git a/r-notebook/README.md b/r-notebook/README.md
index 41808db5..d1bf6093 100644
--- a/r-notebook/README.md
+++ b/r-notebook/README.md
@@ -4,7 +4,7 @@
 
 ## What it Gives You
 
-* Jupyter Notebook 4.3.x
+* Jupyter Notebook 5.0.x
 * Conda R v3.3.x and channel
 * plyr, devtools, shiny, rmarkdown, forecast, rsqlite, reshape2, nycflights13, caret, rcurl, and randomforest pre-installed
 * The [tidyverse](https://github.com/tidyverse/tidyverse) R packages are also installed, including ggplot2, dplyr, tidyr, readr, purrr, tibble, stringr, lubridate, and broom
diff --git a/scipy-notebook/README.md b/scipy-notebook/README.md
index 6cd83a46..e1f2d5e3 100644
--- a/scipy-notebook/README.md
+++ b/scipy-notebook/README.md
@@ -4,7 +4,7 @@
 
 ## What it Gives You
 
-* Jupyter Notebook 4.3.x
+* Jupyter Notebook 5.0.x
 * Conda Python 3.x and Python 2.7.x environments
 * pandas, matplotlib, scipy, seaborn, scikit-learn, scikit-image, sympy, cython, patsy, statsmodel, cloudpickle, dill, numba, bokeh, vincent, beautifulsoup, xlrd pre-installed
 * Unprivileged user `jovyan` (uid=1000, configurable, see options) in group `users` (gid=100) with ownership over `/home/jovyan` and `/opt/conda`