diff --git a/Dockerfile b/Dockerfile
index e2d81b1..eca8af6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -15,7 +15,7 @@ RUN wget \
 
 RUN conda --version
 
-RUN conda install -y conda-build conda-verify anaconda-client 
+RUN conda install -y -c conda-forge conda-build conda-verify anaconda-client 
 
 COPY entrypoint.sh /entrypoint.sh
 
diff --git a/recipes/r-xlsxbuilder/meta.yaml b/recipes/r-xlsxbuilder/meta.yaml
index fecf185..efe04c5 100644
--- a/recipes/r-xlsxbuilder/meta.yaml
+++ b/recipes/r-xlsxbuilder/meta.yaml
@@ -9,17 +9,17 @@ source:
     - 'https://github.com/computational-metabolomics/{{ name|lower }}/archive/v{{ version|lower }}.tar.gz'
   md5: fab06db4a481a6e31d6e1950592e49e0
 build:
-  number: 3
+  number: 4
   rpaths:
     - lib/R/lib/
     - lib/
   noarch: generic
 requirements:
   host:
-    - 'r-base >=4.3,<4.4'
+    - 'r-base >=4.4,<4.5.0a0'
     - r-openxlsx
   run:
-    - 'r-base >=4.3,<4.4'
+    - 'r-base >=4.4,<4.5.0a0'
     - r-openxlsx
 test:
   commands: