diff --git a/Pipfile b/Pipfile
index b5cc66636..446cce7e7 100644
--- a/Pipfile
+++ b/Pipfile
@@ -58,7 +58,7 @@ langchainhub = ">=0.1.21"
 furl = ">=2.1.3"
 # tiktoken is a fast BPE tokeniser for use with OpenAI's models
 # tiktoken 0.8.0 is missing wheel for tiktoken-0.7.0-cp312-cp312-musllinux_1_2_aarch64.whl: https://pypi.org/simple/tiktoken/
-tiktoken = "==0.7.0"
+tiktoken = "==0.9.0"
 # duckduckgo-search is a Python library for searching DuckDuckGo web results
 duckduckgo-search = ">=7.2.0"
 # xmltodict is a Python library for working with XML.  It is used by the PubMed tool
diff --git a/Pipfile.lock b/Pipfile.lock
index d197e0426..64720ca6b 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "4035bfb5d4a06fd986dd43ad0f82785acc8f57c4e4e8b63085437995e2494831"
+            "sha256": "bf56380c77ba08d03e00870b6f295c51d962b3a3cac652d5cb0270a48697882f"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -214,11 +214,11 @@
         },
         "certifi": {
             "hashes": [
-                "sha256:1275f7a45be9464efc1173084eaa30f866fe2e47d389406136d332ed4967ec56",
-                "sha256:b650d30f370c2b724812bee08008be0c4163b163ddaec3f2546c1caf65f191db"
+                "sha256:3d5da6925056f6f18f119200434a4780a94263f10d1c21d032a6f6b2baa20651",
+                "sha256:ca78db4565a652026a4db2bcdf68f2fb589ea80d0be70e03929ed730746b84fe"
             ],
             "markers": "python_version >= '3.6'",
-            "version": "==2024.12.14"
+            "version": "==2025.1.31"
         },
         "charset-normalizer": {
             "hashes": [
@@ -2123,46 +2123,41 @@
         },
         "tiktoken": {
             "hashes": [
-                "sha256:03c6c40ff1db0f48a7b4d2dafeae73a5607aacb472fa11f125e7baf9dce73704",
-                "sha256:084cec29713bc9d4189a937f8a35dbdfa785bd1235a34c1124fe2323821ee93f",
-                "sha256:09ed925bccaa8043e34c519fbb2f99110bd07c6fd67714793c21ac298e449410",
-                "sha256:0bc603c30b9e371e7c4c7935aba02af5994a909fc3c0fe66e7004070858d3f8f",
-                "sha256:1063c5748be36344c7e18c7913c53e2cca116764c2080177e57d62c7ad4576d1",
-                "sha256:1077266e949c24e0291f6c350433c6f0971365ece2b173a23bc3b9f9defef6b6",
-                "sha256:10c7674f81e6e350fcbed7c09a65bca9356eaab27fb2dac65a1e440f2bcfe30f",
-                "sha256:131b8aeb043a8f112aad9f46011dced25d62629091e51d9dc1adbf4a1cc6aa98",
-                "sha256:13c94efacdd3de9aff824a788353aa5749c0faee1fbe3816df365ea450b82311",
-                "sha256:20295d21419bfcca092644f7e2f2138ff947a6eb8cfc732c09cc7d76988d4a89",
-                "sha256:21a20c3bd1dd3e55b91c1331bf25f4af522c525e771691adbc9a69336fa7f702",
-                "sha256:2398fecd38c921bcd68418675a6d155fad5f5e14c2e92fcf5fe566fa5485a858",
-                "sha256:2bcb28ddf79ffa424f171dfeef9a4daff61a94c631ca6813f43967cb263b83b9",
-                "sha256:2ee92776fdbb3efa02a83f968c19d4997a55c8e9ce7be821ceee04a1d1ee149c",
-                "sha256:485f3cc6aba7c6b6ce388ba634fbba656d9ee27f766216f45146beb4ac18b25f",
-                "sha256:54031f95c6939f6b78122c0aa03a93273a96365103793a22e1793ee86da31685",
-                "sha256:5d4511c52caacf3c4981d1ae2df85908bd31853f33d30b345c8b6830763f769c",
-                "sha256:71c55d066388c55a9c00f61d2c456a6086673ab7dec22dd739c23f77195b1908",
-                "sha256:79383a6e2c654c6040e5f8506f3750db9ddd71b550c724e673203b4f6b4b4590",
-                "sha256:811229fde1652fedcca7c6dfe76724d0908775b353556d8a71ed74d866f73f7b",
-                "sha256:861f9ee616766d736be4147abac500732b505bf7013cfaf019b85892637f235e",
-                "sha256:86b6e7dc2e7ad1b3757e8a24597415bafcfb454cebf9a33a01f2e6ba2e663992",
-                "sha256:8a81bac94769cab437dd3ab0b8a4bc4e0f9cf6835bcaa88de71f39af1791727a",
-                "sha256:8c46d7af7b8c6987fac9b9f61041b452afe92eb087d29c9ce54951280f899a97",
-                "sha256:8d57f29171255f74c0aeacd0651e29aa47dff6f070cb9f35ebc14c82278f3b25",
-                "sha256:8e58c7eb29d2ab35a7a8929cbeea60216a4ccdf42efa8974d8e176d50c9a3df5",
-                "sha256:8f5f6afb52fb8a7ea1c811e435e4188f2bef81b5e0f7a8635cc79b0eef0193d6",
-                "sha256:959d993749b083acc57a317cbc643fb85c014d055b2119b739487288f4e5d1cb",
-                "sha256:c72baaeaefa03ff9ba9688624143c858d1f6b755bb85d456d59e529e17234769",
-                "sha256:cabc6dc77460df44ec5b879e68692c63551ae4fae7460dd4ff17181df75f1db7",
-                "sha256:d20b5c6af30e621b4aca094ee61777a44118f52d886dbe4f02b70dfe05c15350",
-                "sha256:d427614c3e074004efa2f2411e16c826f9df427d3c70a54725cae860f09e4bf4",
-                "sha256:d6d73ea93e91d5ca771256dfc9d1d29f5a554b83821a1dc0891987636e0ae226",
-                "sha256:e215292e99cb41fbc96988ef62ea63bb0ce1e15f2c147a61acc319f8b4cbe5bf",
-                "sha256:e54be9a2cd2f6d6ffa3517b064983fb695c9a9d8aa7d574d1ef3c3f931a99225",
-                "sha256:fffdcb319b614cf14f04d02a52e26b1d1ae14a570f90e9b55461a72672f7b13d"
+                "sha256:03935988a91d6d3216e2ec7c645afbb3d870b37bcb67ada1943ec48678e7ee33",
+                "sha256:11a20e67fdf58b0e2dea7b8654a288e481bb4fc0289d3ad21291f8d0849915fb",
+                "sha256:15a2752dea63d93b0332fb0ddb05dd909371ededa145fe6a3242f46724fa7990",
+                "sha256:26113fec3bd7a352e4b33dbaf1bd8948de2507e30bd95a44e2b1156647bc01b4",
+                "sha256:26242ca9dc8b58e875ff4ca078b9a94d2f0813e6a535dcd2205df5d49d927cc7",
+                "sha256:27d457f096f87685195eea0165a1807fae87b97b2161fe8c9b1df5bd74ca6f63",
+                "sha256:2b0e8e05a26eda1249e824156d537015480af7ae222ccb798e5234ae0285dbdb",
+                "sha256:2cf8ded49cddf825390e36dd1ad35cd49589e8161fdcb52aa25f0583e90a3e01",
+                "sha256:3ebcec91babf21297022882344c3f7d9eed855931466c3311b1ad6b64befb3df",
+                "sha256:45556bc41241e5294063508caf901bf92ba52d8ef9222023f83d2483a3055348",
+                "sha256:586c16358138b96ea804c034b8acf3f5d3f0258bd2bc3b0227af4af5d622e382",
+                "sha256:5a62d7a25225bafed786a524c1b9f0910a1128f4232615bf3f8257a73aaa3b16",
+                "sha256:5ea0edb6f83dc56d794723286215918c1cde03712cbbafa0348b33448faf5b95",
+                "sha256:75f6d5db5bc2c6274b674ceab1615c1778e6416b14705827d19b40e6355f03e0",
+                "sha256:8b3d80aad8d2c6b9238fc1a5524542087c52b860b10cbf952429ffb714bc1136",
+                "sha256:92a5fb085a6a3b7350b8fc838baf493317ca0e17bd95e8642f95fc69ecfed1de",
+                "sha256:95e811743b5dfa74f4b227927ed86cbc57cad4df859cb3b643be797914e41794",
+                "sha256:99376e1370d59bcf6935c933cb9ba64adc29033b7e73f5f7569f3aad86552b22",
+                "sha256:a6600660f2f72369acb13a57fb3e212434ed38b045fd8cc6cdd74947b4b5d210",
+                "sha256:b2a21133be05dc116b1d0372af051cd2c6aa1d2188250c9b553f9fa49301b336",
+                "sha256:badb947c32739fb6ddde173e14885fb3de4d32ab9d8c591cbd013c22b4c31dd2",
+                "sha256:c6386ca815e7d96ef5b4ac61e0048cd32ca5a92d5781255e13b31381d28667dc",
+                "sha256:cc156cb314119a8bb9748257a2eaebd5cc0753b6cb491d26694ed42fc7cb3139",
+                "sha256:cd69372e8c9dd761f0ab873112aba55a0e3e506332dd9f7522ca466e817b1b7a",
+                "sha256:d02a5ca6a938e0490e1ff957bc48c8b078c88cb83977be1625b1fd8aac792c5d",
+                "sha256:d9c59ccc528c6c5dd51820b3474402f69d9a9e1d656226848ad68a8d5b2e5108",
+                "sha256:e15b16f61e6f4625a57a36496d28dd182a8a60ec20a534c5343ba3cafa156ac7",
+                "sha256:e5fd49e7799579240f03913447c0cdfa1129625ebd5ac440787afc4345990427",
+                "sha256:e88f121c1c22b726649ce67c089b90ddda8b9662545a8aeb03cfef15967ddd03",
+                "sha256:f0968d5beeafbca2a72c595e8385a1a1f8af58feaebb02b227229b69ca5357fd",
+                "sha256:f32cc56168eac4851109e9b5d327637f15fd662aa30dd79f964b7c39fbadd26e"
             ],
             "index": "pypi",
-            "markers": "python_version >= '3.8'",
-            "version": "==0.7.0"
+            "markers": "python_version >= '3.9'",
+            "version": "==0.9.0"
         },
         "tqdm": {
             "hashes": [