diff --git a/recipe/bld.bat b/recipe/bld.bat
index 6dc4487..7834b89 100644
--- a/recipe/bld.bat
+++ b/recipe/bld.bat
@@ -19,7 +19,7 @@ cmake -G Ninja ^
       -D ZLIB=ON ^
       -D READLINE=OFF ^
       -D EXPRINT=cppad ^
-      -D SYM=bliss ^
+      -D SYM=snauty ^
       %CMAKE_ARGS%
 if %ERRORLEVEL% neq 0 exit 1
 
diff --git a/recipe/build.sh b/recipe/build.sh
index fbb9dae..522b35c 100755
--- a/recipe/build.sh
+++ b/recipe/build.sh
@@ -24,7 +24,7 @@ cmake -B scipoptsuite-build -S "${SRC_DIR}/scipoptsuite" \
       -D IPOPT_DIR="${PREFIX}" \
       -D ZLIB=ON \
       -D READLINE=OFF \
-      -D SYM=bliss \
+      -D SYM=snauty \
       -D EXPRINT=cppad \
       -D CLIQUER=ON \
       ${CMAKE_ARGS}
diff --git a/recipe/meta.yaml b/recipe/meta.yaml
index 3d02daf..0af5119 100644
--- a/recipe/meta.yaml
+++ b/recipe/meta.yaml
@@ -1,9 +1,9 @@
 # TODO check these versions have not changed
-{% set scip_version = "9.0.1" %}
-{% set papilo_version = "2.2.1" %}
-{% set soplex_version = "7.0.1" %}
-{% set gcg_version = "3.6.1" %}
-{% set zimpl_version = "3.6.0" %}
+{% set scip_version = "9.1.0" %}
+{% set papilo_version = "2.3.0" %}
+{% set soplex_version = "7.1.0" %}
+{% set gcg_version = "3.6.2" %}
+{% set zimpl_version = "3.6.1" %}
 # For dispatching between Unix and Windows
 {% set install_prefix = "." %}        # [unix]
 {% set install_prefix = "Library" %}  # [win]
@@ -15,13 +15,13 @@ package:
 
 source:
   - url: https://scipopt.org/download/release/scipoptsuite-{{ scip_version }}.tgz
-    sha256: 1efd3063bb8abe80bb1baab9b94156e85029e9792738f3a0a4be97936f095473
+    sha256: 770fc138fc40c016414b8a1e55461e920f5e2f5f4ae1a773a3ed6c81cd1fe93f
     folder: scipoptsuite
     patches:
       - 0002-Require-PCRE-on-WIN32.patch
 
 build:
-  number: 1
+  number: 0
 
 requirements:
   build:
diff --git a/recipe/run_scip_test.sh b/recipe/run_scip_test.sh
index 09f7d93..68a92ba 100644
--- a/recipe/run_scip_test.sh
+++ b/recipe/run_scip_test.sh
@@ -14,5 +14,5 @@ scip --version
 scip --version | grep -iE 'CppAD\s+[0-9]+'
 scip --version | grep -iE 'ZLIB\s+[0-9]+\.[0-9]+\.[0-9]+'
 scip --version | grep -iE 'GMP\s+[0-9]+\.[0-9]+\.[0-9]+'
-scip --version | grep -iE 'bliss\s+[0-9]+\.[0-9]+'
+scip --version | grep -iE 'nauty\s+[0-9]+\.[0-9]+\.[0-9]+'
 scip --version | grep -iE 'Ipopt\s+[0-9]+\.[0-9]+\.[0-9]+'