diff --git a/base/Dockerfile b/base/Dockerfile
index a653f92..19bfe12 100644
--- a/base/Dockerfile
+++ b/base/Dockerfile
@@ -16,8 +16,8 @@ RUN conda install --yes -c conda-forge nomkl cytoolz cmake mamba python=${PYTHON
     cytoolz \
     dask==${DASK_VERSION} \
     lz4 \
-    numpy==1.21.1 \
-    pandas==1.3.0 \
+    numpy \
+    pandas \
     tini==0.18.0 \
     cachey \
     streamz \
diff --git a/notebook/Dockerfile b/notebook/Dockerfile
index 2f8bd37..fb61438 100644
--- a/notebook/Dockerfile
+++ b/notebook/Dockerfile
@@ -32,8 +32,8 @@ RUN mamba install --yes python=${PYTHON_VERSION} nomkl \
     cytoolz \
     dask==${DASK_VERSION} \
     lz4 \
-    numpy==1.21.1 \
-    pandas==1.3.0 \
+    numpy \
+    pandas \
     ipywidgets \
     cachey \
     streamz \