diff --git a/Snakefile b/Snakefile
index 4f55085f..ba93a869 100644
--- a/Snakefile
+++ b/Snakefile
@@ -39,9 +39,9 @@ localrules:
 wildcard_constraints:
     simpl="[a-zA-Z0-9]*",
     clusters="[0-9]+(m|c)?|all",
-    ll="(v|c)([0-9\.]+|opt)",
-    opts="[-+a-zA-Z0-9\.]*",
-    sector_opts="[-+a-zA-Z0-9\.\s]*",
+    ll=r"(v|c)([0-9\.]+|opt)",
+    opts=r"[-+a-zA-Z0-9\.]*",
+    sector_opts=r"[-+a-zA-Z0-9\.\s]*",
 
 
 include: "rules/common.smk"
@@ -110,7 +110,7 @@ rule dag:
     conda:
         "envs/environment.yaml"
     shell:
-        """
+        r"""
         snakemake --rulegraph all | sed -n "/digraph/,\$p" > {output.dot}
         dot -Tpdf -o {output.pdf} {output.dot}
         dot -Tpng -o {output.png} {output.dot}
diff --git a/rules/solve_electricity.smk b/rules/solve_electricity.smk
index f24119b9..389687a0 100644
--- a/rules/solve_electricity.smk
+++ b/rules/solve_electricity.smk
@@ -31,7 +31,7 @@ rule solve_network:
         mem_mb=memory,
         runtime=config_provider("solving", "runtime", default="6h"),
     shadow:
-        "minimal"
+        "shallow"
     conda:
         "../envs/environment.yaml"
     script:
@@ -62,7 +62,7 @@ rule solve_operations_network:
         mem_mb=(lambda w: 10000 + 372 * int(w.clusters)),
         runtime=config_provider("solving", "runtime", default="6h"),
     shadow:
-        "minimal"
+        "shallow"
     conda:
         "../envs/environment.yaml"
     script: