diff --git a/notebooks/preimaging/pre-requirements.txt b/notebooks/preimaging/pre-requirements.txt
index b139efe16..70eef8ec3 100644
--- a/notebooks/preimaging/pre-requirements.txt
+++ b/notebooks/preimaging/pre-requirements.txt
@@ -1 +1 @@
-numpy==1.18.5
+numpy>=1.18.5
diff --git a/notebooks/preimaging/preimaging_01_mirage.ipynb b/notebooks/preimaging/preimaging_01_mirage.ipynb
index 155c0a930..f2791e5e0 100644
--- a/notebooks/preimaging/preimaging_01_mirage.ipynb
+++ b/notebooks/preimaging/preimaging_01_mirage.ipynb
@@ -16,7 +16,7 @@
     "**Tools:**  mirage, jwst, astropy, grismconf, nircam_gsim.<br>\n",
     "**Cross-intrument:** NIRCam. <br>\n",
     "**Documentation:** This notebook is part of a STScI's larger [post-pipeline Data Analysis Tools Ecosystem](https://jwst-docs.stsci.edu/jwst-post-pipeline-data-analysis).<br>\n",
-    "\n",
+    "\n ",
     "## Introduction\n",
     "\n",
     "\n",
diff --git a/notebooks/preimaging/preimaging_02_calwebb.ipynb b/notebooks/preimaging/preimaging_02_calwebb.ipynb
index 09dcc5e3c..5e4ff0890 100644
--- a/notebooks/preimaging/preimaging_02_calwebb.ipynb
+++ b/notebooks/preimaging/preimaging_02_calwebb.ipynb
@@ -11,7 +11,7 @@
     "**Tools:**  jwst.<br>\n",
     "**Cross-intrument:** NIRCam. <br>\n",
     "**Documentation:** This notebook is part of a STScI's larger [post-pipeline Data Analysis Tools Ecosystem](https://jwst-docs.stsci.edu/jwst-post-pipeline-data-analysis).<br>\n",
-    "\n",
+    "\n ",
     "## Introduction\n",
     "\n",
     "This Notebook must be executed from an environment that has the JWST pipeline installed. In this tutorial we show step by step instructions on how to run the JWST pipeline on the simulated images created using the previous notebook.\n",
diff --git a/notebooks/preimaging/preimaging_03_association.ipynb b/notebooks/preimaging/preimaging_03_association.ipynb
index 8bad3cadf..7e64c0969 100644
--- a/notebooks/preimaging/preimaging_03_association.ipynb
+++ b/notebooks/preimaging/preimaging_03_association.ipynb
@@ -12,7 +12,7 @@
     "**Tools:**  jwst.<br>\n",
     "**Cross-intrument:** NIRCam. <br>\n",
     "**Documentation:** This notebook is part of a STScI's larger [post-pipeline Data Analysis Tools Ecosystem](https://jwst-docs.stsci.edu/jwst-post-pipeline-data-analysis).<br>\n",
-    "\n",
+    "\n ",
     "## Introduction\n",
     "\n",
     "In this Notebook we show how to create the association needed to execute calwebb_image3 and how to run calwebb_image3."
diff --git a/notebooks/preimaging/requirements.txt b/notebooks/preimaging/requirements.txt
index 870852976..2b3a95b81 100644
--- a/notebooks/preimaging/requirements.txt
+++ b/notebooks/preimaging/requirements.txt
@@ -4,5 +4,5 @@ matplotlib >= 3.5.2
 pyyaml>=5.3.1
 healpy>=1.12.5
 shapely>=1.7.0
-mirage==2.2.1
-jwst==1.5.4
+mirage>=2.2.1
+jwst>=1.5.4